Question 13 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), \"E\" or \"e\" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where \"a\" and \"b\" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A statistics professor has just given a final examination in his statistical inference course. He is
particularly interested in learning how his class of 40 students performed on this exam. The
scores are shown below.
77 81 74 77 79 73 80 85 86 73
83 84 81 73 75 91 76 77 95 76
90 85 92 84 81 64 75 90 78 7882 78 86 86
82 70 76 78 72 93
What is the mean score on this exam? Place your answer, rounded to two decimal places in the
blank. For example, 65.78 would be a legitimate entry.
Question 14 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), \"E\" or \"e\" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where \"a\" and \"b\" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
In February 2002 the Argentine peso lost 70% of its value compared to the United States dollar.
This devaluation drastically raised the price of imported products. According to a survey
conducted by AC Nielsen in April 2002, 68% of the consumers in Argentina were buying fewer
products than before the devaluation, 24% were buying the same number of products, and 8%
were buying more products. Furthermore, in a trend toward purchasing less-expensive brands,
88% indicated that they had changed the brands they purchased. Suppose the following complete
set of results were reported. Use the following data to answer this question.
Number of Products Purchased
Brands Purchased
Fewer
Same
More
Total
Same
10
14
24
48
Changed
262
82
8
352
Total
272
96
32
400
What is the probability that a consumer selected at random purchased fewer products than before
and changed brands? Place your answer, rounded to 4 decimal places, in the blank.
Question 15 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), \"E\" or \"e\" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where \"a\" and \"b\" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A school determines that the number of children X in the families who attend the school follows
the distri.
Part 5 of 9 - Question 13 of 251.0 PointsAccepted char.docxherbertwilson5999
Part 5 of 9 -
Question 13 of 25
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The following data represent the number of children in a sample of 10 families from Chicago: 4, 2, 1, 1, 5, 3, 0, 1, 0, and 2.
Compute the variance of the data. Place your answer, rounded to two decimal places, in the blank. For example, 3.45 would be a legitimate entry.
Part 6 of 9 -
Question 14 of 25
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The following data were obtained from a survey of college students. The variable X represents the number of non-assigned books read during the past six months.
x
0
1
2
3
4
5
6
P (X=x)
0.55
0.15
0.10
0.10
0.04
0.03
0.03
Find P(1 < X < 5). Place your answer, rounded to two decimal places in the blank. For example, 0.56 would be a legitimate entry.
Question 15 of 25
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
In February 2002 the Argentine peso lost 70% of its value compared to the United States dollar. This devaluation drastically raised the price of imported products. According to a survey conducted by AC Nielsen in April 2002, 68% of the consumers in Argentina were buying fewer products than before the devaluation, 24% were buying the same number of products, and 8% were buying more products. Furthermore, in a trend toward purchasing less-expensive brands, 88% indicated that they had changed the brands they purchased. Suppose the following complete set of results were reported. Use the following data to answer this question.
Number of Products Purchased
Brands Purchased
Fewer
Same
More
Total
Same
10
14
24
48
Changed
262
82
8
352
Total
272
96
32
400
What is the probability that a consumer selected at random purchased fewer products than before? Place.
Part 1 of 9 - Question 1 of 251.0 PointsA sample of 20 obs.docxherbertwilson5999
Part 1 of 9 -
Question 1 of 25
1.0 Points
A sample of 20 observations has a standard deviation of 4. The sum of the squared deviations from the sample mean is:
A.400
B.320
C.304
D.288
Part 2 of 9 -
Question 2 of 25
1.0 Points
What type of probability uses sample spaces to determine the numerical probability that an event will occur?
A.classical probability
B.conditional probability
C.empirical probability
D.subjective probability
Question 3 of 25
1.0 Points
If A and B are any two events with P(A) = .8 and P(B|A) = .4, then the joint probability of A and B is
A.0.32
B.0.80
C.0.40
D.1.20
Part 3 of 9 -
Question 4 of 25
1.0 Points
Find the variance of the following probability distribution.
X
P(X)
1
0.20
2
0.35
3
0.10
4
0.25
5
0.10
A.1.83
B.1.31
C.1.25
D.1.71
Question 5 of 25
1.0 Points
Which term is NOT synonymous with the expected value of a discrete probability distribution?
A.variance
B.mean
C.theoretical average
D.μ
Question 6 of 25
1.0 Points
If a student randomly guesses at 20 multiple-choice questions, find the probability that the student gets exactly four correct. Each question has four possible choices.
A.0.19
B.0.17
C.0.08
D.0.23
Part 4 of 9 -
Question 7 of 25
1.0 Points
The continuous distribution characterized by a symmetric, bell-shaped curve is the:
A.binomial distribution
B.Poisson distribution
C.exponential distribution
D.normal distribution
Question 8 of 25
1.0 Points
The standard deviation of a probability distribution must be:
A.a nonnegative number
B.a negative number
C.a number between 0 and 1
D.less than the value of the mean
Question 9 of 25
1.0 Points
The mean of a probability distribution can be:
A.a positive number
B.a negative number
C.zero
D.all of the above
Question 10 of 25
1.0 Points
The standard deviation of is usually called the
A.standard error of the population
B.randomized standard error
C.standard error of the mean
D.standard error of the sample
Question 11 of 25
1.0 Points
The theorem that states that the sampling distribution of the sample mean is approximately normal when the sample size n is reasonably large is known as the:
A.point estimate theorem
B.central limit theorem
C.simple random sample theorem
D.central tendency theorem
Question 12 of 25
1.0 Points
The standard normal distribution has a mean of ___ and standard deviation of ___, respectively.
A.1 and 1
B.0 and 0
C.1 and 0
D.0 and 1
Part 5 of 9 -
Question 13 of 25
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A statistics profess.
Part 1 of 9 -Question 1 of 251.0 PointsWhich of the followin.docxherbertwilson5999
Part 1 of 9 -
Question 1 of 25
1.0 Points
Which of the following statistics is not a measure of central location?
A.Mode
B.Mean
C.Median
D.Interquartile range
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Part 2 of 9 -
Question 2 of 25
1.0 Points
If A and B are any two events with P(A) = .8 and then is:
A.0.875
B.0.14
C..24
D.0.56
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Question 3 of 25
1.0 Points
If one tosses a coin enough times, the proportion of "heads" will approach 0.5. This is an example of:
A.the Law of Large Numbers
B.subjective probabilities
C.the Central Limit Theorem
D.the Empirical Rule
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Part 3 of 9 -
Question 4 of 25
1.0 Points
A discrete probability distribution:
A.can be estimated from long-run proportions
B.is a tool that can be used to incorporate uncertainty into models
C.is the distribution of multiple random variables
D.lists all of the possible values of the random variable and their corresponding probabilities
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Question 5 of 25
1.0 Points
A drug is reported to benefit 40% of the patients who take it. If 6 patients take the drug, what is the probability that 4 or more patients will benefit?
A.0.138
B.0.862
C.0.667
D.0.179
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Question 6 of 25
1.0 Points
Find the variance of the following probability distribution.
X
P(X)
1
0.20
2
0.35
3
0.10
4
0.25
5
0.10
A.1.83
B.1.31
C.1.25
D.1.71
Reset Selection
Part 4 of 9 -
Question 7 of 25
1.0 Points
Find the probability, P(Z < 0.17), using the standard normal distribution.
A..8300
B..4325
C..5675
D..0675
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Question 8 of 25
1.0 Points
The continuous distribution characterized by a symmetric, bell-shaped curve is the:
A.normal distribution
B.binomial distribution
C.exponential distribution
D.Poisson distribution
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Question 9 of 25
1.0 Points
Given that Z is a standard normal random variable, P(-1.0 < Z < 1.5) is
A.0.9332
B.0.7745
C.0.8413
D.0.0919
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Question 10 of 25
1.0 Points
The standard normal distribution has a mean of ___ and standard deviation of ___, respectively.
A.0 and 0
B.1 and 0
C.1 and 1
D.0 and 1
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Question 11 of 25
1.0 Points
One reason for standardizing random variables is to measure variables with:
A.dissimilar means and similar standard deviations in like terms
B.similar means and standard deviations on two scales
C.different means and standard deviations on a single scale
D.different means and standard deviations on a non-standard scale
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Question 12 of 25
1.0 Points
The mean of a probability distribution is a:
A.measure of relative likelihood
B.measure of central location
C.measure of variability of the distribution
D.measure of skewness of the distribution
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Part 5 of 9 -
Question 13 of 25
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousan.
Sheet1QUESTIONS NumberANSWERS1234567891011121314151617181920
Sheet2
Sheet3
Question 1 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces
(e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific
notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The manufacturer of a new compact car claims the miles per gallon (mpg) for the gasoline consumption
is mound-shaped and symmetric with a mean of 24.6 mpg and a standard deviation of 11.2 mpg. If 30
such cars are tested, what is the probability the average mpg achieved by these 30 cars will be greater
than 27?
Answer: Round your answer to 4 decimal places as necessary. For example, 0.1357 would
be a legitimate entry.
Question 2 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces
(e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific
notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A marketing research consultant hired by Coca-Cola is interested in determining the proportion of
customers who favor Coke over other soft drinks. A random sample of 400 consumers was selected from
the market under investigation and showed that 53% favored Coca-Cola over other brands.
Compute a 95% confidence interval for the true proportion of people who favor Coke. Place your
LOWER limit, rounded to 3 decimal places, in the first blank . For example, .345 would be a
legitimate entry. Place your UPPER limit in the second blank . For example, .456 would be a
legitimate entry.
Question 3 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces
(e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific
notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A sample of 9 production managers with over 15 years of experience has an average salary of $71,000
and a sample standard deviation of $18,000.
Assuming that s = 18,000 is a reasonable estimate for what sample size would be needed to ensure
that we could estimate the true mean salary of all production managers with more than 15 years
experience within $4200 if we wi.
Question 1 of 201.0 PointsAccepted characters numbers, decima.docxIRESH3
Question 1 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A sample of 9 production managers with over 15 years of experience has an average salary of $71,000 and a sample standard deviation of $18,000.
Assuming that the salaries of production managers with over 15 years experience are normally distributed, you can be 95% confident that the mean salary for all production managers with at least 15 years of experience is between what two numbers.
Place your LOWER limit, rounded to a whole number, in the first blank. Do not use a dollar sign, a comma, or any other stray mark. For example, 54321 would be a legitimate entry. . Place your UPPER limit, rounded to a whole number, in the second blank. Do not use a dollar sign, a comma, or any other stray mark. For example, 65432 would be a legitimate entry. Question 2 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The manufacturer of a new compact car claims the miles per gallon (mpg) for the gasoline consumption is mound-shaped and symmetric with a mean of 25.9 mpg and a standard deviation of 9.5 mpg. If 30 such cars are tested, what is the probability the average mpg achieved by these 30 cars will be greater than 28?
Answer: Round your answer to 4 decimal places as necessary. For example, 0.1357 would be a legitimate entry. Question 3 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A lawyer researched the average number of years served by 45 different justices on the Supreme Court. The average number of years served was 13.8 years with a standard deviation of 7.3 years. What is the 95% confidence interval estimate for the average number of years served by all Supreme Court justices? Place your limits, rounded to 1 de ...
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Part 1 of 9 -
Question 1 of 25
1.0 Points
Since the population is always larger than the sample, the population mean:
A.is always larger than or equal to the sample mean
B.can be smaller than, or larger than, or equal to the sample mean
C.is always smaller than or equal to the sample mean
D.is always strictly less than the sample mean
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Part 2 of 9 -
Question 2 of 25
1.0 Points
If two events are mutually exclusive, what is the probability that both occur at the same time?
A.0.00
B.Cannot be determined from the information given.
C.0.50
D.1.00
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Question 3 of 25
1.0 Points
The staff at a small company includes: 4 secretaries, 20 technicians, 4 engineers, 2 executives, and 50 factory workers. If a person is selected at random, what is the probability that he or she is a factory worker?
A.2/5
B.5/8
C.1/4
D.1/8
Reset Selection
Part 3 of 9 -
Question 4 of 25
1.0 Points
The binomial probability distribution is used with
A.a continuous random variable
B.a discrete random variable
C.either a discrete or a continuous random variable, depending on the sample size
D.either a discrete or a continuous random variable, depending on the variance
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Question 5 of 25
1.0 Points
We assume that the outcomes of successive trials in a binomial experiment are:
A.identical from trial to trial
B.probabilistically dependent
C.random numbers between 0 and 1
D.probabilistically independent
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Question 6 of 25
1.0 Points
Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still operating with a probability of 0.70 and has failed with a probability of 0.30.
What is the probability that fewer than 25 batteries will last at least 8 hours?
A.0.0024
B.0.0009
C.0.9991
D.0.8967
Reset Selection
Part 4 of 9 -
Question 7 of 25
1.0 Points
Find the probability, P(.
Question 1 of 201.0 PointsThe result of tossing a coin once wi.docxIRESH3
Question 1 of 20
1.0 Points
The result of tossing a coin once will be either head or tail. Let A and B be the events of observing head and tail, respectively. The events A and B are:
A.mutually exclusive
B.independent
C.conditional
D.unilateral
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Question 2 of 20
1.0 Points
The formal way to revise probabilities based on new information is to use:
A.unilateral probabilities
B.common sense probabilities
C.conditional probabilities
D.complementary probabilities
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Question 3 of 20
1.0 Points
If 25 tickets are sold and 2 prizes are to be awarded, find the probability that one person will win both prizes if that person buys exactly 2 tickets.
A.1/300
B.1/700
C.1/600
D.1/2300
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Question 4 of 20
1.0 Points
If a die is rolled one time, find the probability of getting a number greater than 2.
A.2
B.-1
C.5/6
D.4/6
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Question 5 of 20
1.0 Points
If two events are mutually exclusive, what is the probability that both occur at the same time?
A.0.00
B.1.00
C.0.50
D.Cannot be determined from the information given.
Reset Selection
Part 2 of 6 -
Question 6 of 20
1.0 Points
We assume that the outcomes of successive trials in a binomial experiment are:
A.identical from trial to trial
B.random numbers between 0 and 1
C.probabilistically independent
D.probabilistically dependent
Reset Selection
Question 7 of 20
1.0 Points
Find the variance of the following probability distribution.
X
P(X)
1
0.10
2
0.20
3
0.35
4
0.30
5
0.05
A.1.1
B.1.21
C.1.05
D.1.02
Reset Selection
Question 8 of 20
1.0 Points
A die is rolled 360 times. Find the standard deviation for the number of 3s that will be rolled.
A.60
B.50
C.7.1
D.5.9
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Question 9 of 20
1.0 Points
Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still operating with a probability of 0.70 and has failed with a probability of 0.30.
What is the probability that between 25 and 30 batteries (inclusive) will last at least 8 hours?
A.0.0839
B.0.7792
C.0.1186
D.0.9169
Reset Selection
Question 10 of 20
1.0 Points
If a gambler rolls two dice and gets a sum of 10, he wins $10, and if he gets a sum of three, he wins $20. The cost to play the game is $5. What is the expectation of this game?
A.$3.06
B.-$2.78
C.-$3.06
D.$2.78
Reset Selection
Part 3 of 6 -
Question 11 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The annual returns, i ...
Part 5 of 9 - Question 13 of 251.0 PointsAccepted char.docxherbertwilson5999
Part 5 of 9 -
Question 13 of 25
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The following data represent the number of children in a sample of 10 families from Chicago: 4, 2, 1, 1, 5, 3, 0, 1, 0, and 2.
Compute the variance of the data. Place your answer, rounded to two decimal places, in the blank. For example, 3.45 would be a legitimate entry.
Part 6 of 9 -
Question 14 of 25
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The following data were obtained from a survey of college students. The variable X represents the number of non-assigned books read during the past six months.
x
0
1
2
3
4
5
6
P (X=x)
0.55
0.15
0.10
0.10
0.04
0.03
0.03
Find P(1 < X < 5). Place your answer, rounded to two decimal places in the blank. For example, 0.56 would be a legitimate entry.
Question 15 of 25
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
In February 2002 the Argentine peso lost 70% of its value compared to the United States dollar. This devaluation drastically raised the price of imported products. According to a survey conducted by AC Nielsen in April 2002, 68% of the consumers in Argentina were buying fewer products than before the devaluation, 24% were buying the same number of products, and 8% were buying more products. Furthermore, in a trend toward purchasing less-expensive brands, 88% indicated that they had changed the brands they purchased. Suppose the following complete set of results were reported. Use the following data to answer this question.
Number of Products Purchased
Brands Purchased
Fewer
Same
More
Total
Same
10
14
24
48
Changed
262
82
8
352
Total
272
96
32
400
What is the probability that a consumer selected at random purchased fewer products than before? Place.
Part 1 of 9 - Question 1 of 251.0 PointsA sample of 20 obs.docxherbertwilson5999
Part 1 of 9 -
Question 1 of 25
1.0 Points
A sample of 20 observations has a standard deviation of 4. The sum of the squared deviations from the sample mean is:
A.400
B.320
C.304
D.288
Part 2 of 9 -
Question 2 of 25
1.0 Points
What type of probability uses sample spaces to determine the numerical probability that an event will occur?
A.classical probability
B.conditional probability
C.empirical probability
D.subjective probability
Question 3 of 25
1.0 Points
If A and B are any two events with P(A) = .8 and P(B|A) = .4, then the joint probability of A and B is
A.0.32
B.0.80
C.0.40
D.1.20
Part 3 of 9 -
Question 4 of 25
1.0 Points
Find the variance of the following probability distribution.
X
P(X)
1
0.20
2
0.35
3
0.10
4
0.25
5
0.10
A.1.83
B.1.31
C.1.25
D.1.71
Question 5 of 25
1.0 Points
Which term is NOT synonymous with the expected value of a discrete probability distribution?
A.variance
B.mean
C.theoretical average
D.μ
Question 6 of 25
1.0 Points
If a student randomly guesses at 20 multiple-choice questions, find the probability that the student gets exactly four correct. Each question has four possible choices.
A.0.19
B.0.17
C.0.08
D.0.23
Part 4 of 9 -
Question 7 of 25
1.0 Points
The continuous distribution characterized by a symmetric, bell-shaped curve is the:
A.binomial distribution
B.Poisson distribution
C.exponential distribution
D.normal distribution
Question 8 of 25
1.0 Points
The standard deviation of a probability distribution must be:
A.a nonnegative number
B.a negative number
C.a number between 0 and 1
D.less than the value of the mean
Question 9 of 25
1.0 Points
The mean of a probability distribution can be:
A.a positive number
B.a negative number
C.zero
D.all of the above
Question 10 of 25
1.0 Points
The standard deviation of is usually called the
A.standard error of the population
B.randomized standard error
C.standard error of the mean
D.standard error of the sample
Question 11 of 25
1.0 Points
The theorem that states that the sampling distribution of the sample mean is approximately normal when the sample size n is reasonably large is known as the:
A.point estimate theorem
B.central limit theorem
C.simple random sample theorem
D.central tendency theorem
Question 12 of 25
1.0 Points
The standard normal distribution has a mean of ___ and standard deviation of ___, respectively.
A.1 and 1
B.0 and 0
C.1 and 0
D.0 and 1
Part 5 of 9 -
Question 13 of 25
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A statistics profess.
Part 1 of 9 -Question 1 of 251.0 PointsWhich of the followin.docxherbertwilson5999
Part 1 of 9 -
Question 1 of 25
1.0 Points
Which of the following statistics is not a measure of central location?
A.Mode
B.Mean
C.Median
D.Interquartile range
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Part 2 of 9 -
Question 2 of 25
1.0 Points
If A and B are any two events with P(A) = .8 and then is:
A.0.875
B.0.14
C..24
D.0.56
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Question 3 of 25
1.0 Points
If one tosses a coin enough times, the proportion of "heads" will approach 0.5. This is an example of:
A.the Law of Large Numbers
B.subjective probabilities
C.the Central Limit Theorem
D.the Empirical Rule
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Part 3 of 9 -
Question 4 of 25
1.0 Points
A discrete probability distribution:
A.can be estimated from long-run proportions
B.is a tool that can be used to incorporate uncertainty into models
C.is the distribution of multiple random variables
D.lists all of the possible values of the random variable and their corresponding probabilities
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Question 5 of 25
1.0 Points
A drug is reported to benefit 40% of the patients who take it. If 6 patients take the drug, what is the probability that 4 or more patients will benefit?
A.0.138
B.0.862
C.0.667
D.0.179
Reset Selection
Question 6 of 25
1.0 Points
Find the variance of the following probability distribution.
X
P(X)
1
0.20
2
0.35
3
0.10
4
0.25
5
0.10
A.1.83
B.1.31
C.1.25
D.1.71
Reset Selection
Part 4 of 9 -
Question 7 of 25
1.0 Points
Find the probability, P(Z < 0.17), using the standard normal distribution.
A..8300
B..4325
C..5675
D..0675
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Question 8 of 25
1.0 Points
The continuous distribution characterized by a symmetric, bell-shaped curve is the:
A.normal distribution
B.binomial distribution
C.exponential distribution
D.Poisson distribution
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Question 9 of 25
1.0 Points
Given that Z is a standard normal random variable, P(-1.0 < Z < 1.5) is
A.0.9332
B.0.7745
C.0.8413
D.0.0919
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Question 10 of 25
1.0 Points
The standard normal distribution has a mean of ___ and standard deviation of ___, respectively.
A.0 and 0
B.1 and 0
C.1 and 1
D.0 and 1
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Question 11 of 25
1.0 Points
One reason for standardizing random variables is to measure variables with:
A.dissimilar means and similar standard deviations in like terms
B.similar means and standard deviations on two scales
C.different means and standard deviations on a single scale
D.different means and standard deviations on a non-standard scale
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Question 12 of 25
1.0 Points
The mean of a probability distribution is a:
A.measure of relative likelihood
B.measure of central location
C.measure of variability of the distribution
D.measure of skewness of the distribution
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Part 5 of 9 -
Question 13 of 25
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousan.
Sheet1QUESTIONS NumberANSWERS1234567891011121314151617181920
Sheet2
Sheet3
Question 1 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces
(e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific
notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The manufacturer of a new compact car claims the miles per gallon (mpg) for the gasoline consumption
is mound-shaped and symmetric with a mean of 24.6 mpg and a standard deviation of 11.2 mpg. If 30
such cars are tested, what is the probability the average mpg achieved by these 30 cars will be greater
than 27?
Answer: Round your answer to 4 decimal places as necessary. For example, 0.1357 would
be a legitimate entry.
Question 2 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces
(e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific
notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A marketing research consultant hired by Coca-Cola is interested in determining the proportion of
customers who favor Coke over other soft drinks. A random sample of 400 consumers was selected from
the market under investigation and showed that 53% favored Coca-Cola over other brands.
Compute a 95% confidence interval for the true proportion of people who favor Coke. Place your
LOWER limit, rounded to 3 decimal places, in the first blank . For example, .345 would be a
legitimate entry. Place your UPPER limit in the second blank . For example, .456 would be a
legitimate entry.
Question 3 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces
(e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific
notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A sample of 9 production managers with over 15 years of experience has an average salary of $71,000
and a sample standard deviation of $18,000.
Assuming that s = 18,000 is a reasonable estimate for what sample size would be needed to ensure
that we could estimate the true mean salary of all production managers with more than 15 years
experience within $4200 if we wi.
Question 1 of 201.0 PointsAccepted characters numbers, decima.docxIRESH3
Question 1 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A sample of 9 production managers with over 15 years of experience has an average salary of $71,000 and a sample standard deviation of $18,000.
Assuming that the salaries of production managers with over 15 years experience are normally distributed, you can be 95% confident that the mean salary for all production managers with at least 15 years of experience is between what two numbers.
Place your LOWER limit, rounded to a whole number, in the first blank. Do not use a dollar sign, a comma, or any other stray mark. For example, 54321 would be a legitimate entry. . Place your UPPER limit, rounded to a whole number, in the second blank. Do not use a dollar sign, a comma, or any other stray mark. For example, 65432 would be a legitimate entry. Question 2 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The manufacturer of a new compact car claims the miles per gallon (mpg) for the gasoline consumption is mound-shaped and symmetric with a mean of 25.9 mpg and a standard deviation of 9.5 mpg. If 30 such cars are tested, what is the probability the average mpg achieved by these 30 cars will be greater than 28?
Answer: Round your answer to 4 decimal places as necessary. For example, 0.1357 would be a legitimate entry. Question 3 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A lawyer researched the average number of years served by 45 different justices on the Supreme Court. The average number of years served was 13.8 years with a standard deviation of 7.3 years. What is the 95% confidence interval estimate for the average number of years served by all Supreme Court justices? Place your limits, rounded to 1 de ...
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Part 1 of 9 -
Question 1 of 25
1.0 Points
Since the population is always larger than the sample, the population mean:
A.is always larger than or equal to the sample mean
B.can be smaller than, or larger than, or equal to the sample mean
C.is always smaller than or equal to the sample mean
D.is always strictly less than the sample mean
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Part 2 of 9 -
Question 2 of 25
1.0 Points
If two events are mutually exclusive, what is the probability that both occur at the same time?
A.0.00
B.Cannot be determined from the information given.
C.0.50
D.1.00
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Question 3 of 25
1.0 Points
The staff at a small company includes: 4 secretaries, 20 technicians, 4 engineers, 2 executives, and 50 factory workers. If a person is selected at random, what is the probability that he or she is a factory worker?
A.2/5
B.5/8
C.1/4
D.1/8
Reset Selection
Part 3 of 9 -
Question 4 of 25
1.0 Points
The binomial probability distribution is used with
A.a continuous random variable
B.a discrete random variable
C.either a discrete or a continuous random variable, depending on the sample size
D.either a discrete or a continuous random variable, depending on the variance
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Question 5 of 25
1.0 Points
We assume that the outcomes of successive trials in a binomial experiment are:
A.identical from trial to trial
B.probabilistically dependent
C.random numbers between 0 and 1
D.probabilistically independent
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Question 6 of 25
1.0 Points
Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still operating with a probability of 0.70 and has failed with a probability of 0.30.
What is the probability that fewer than 25 batteries will last at least 8 hours?
A.0.0024
B.0.0009
C.0.9991
D.0.8967
Reset Selection
Part 4 of 9 -
Question 7 of 25
1.0 Points
Find the probability, P(.
Question 1 of 201.0 PointsThe result of tossing a coin once wi.docxIRESH3
Question 1 of 20
1.0 Points
The result of tossing a coin once will be either head or tail. Let A and B be the events of observing head and tail, respectively. The events A and B are:
A.mutually exclusive
B.independent
C.conditional
D.unilateral
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Question 2 of 20
1.0 Points
The formal way to revise probabilities based on new information is to use:
A.unilateral probabilities
B.common sense probabilities
C.conditional probabilities
D.complementary probabilities
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Question 3 of 20
1.0 Points
If 25 tickets are sold and 2 prizes are to be awarded, find the probability that one person will win both prizes if that person buys exactly 2 tickets.
A.1/300
B.1/700
C.1/600
D.1/2300
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Question 4 of 20
1.0 Points
If a die is rolled one time, find the probability of getting a number greater than 2.
A.2
B.-1
C.5/6
D.4/6
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Question 5 of 20
1.0 Points
If two events are mutually exclusive, what is the probability that both occur at the same time?
A.0.00
B.1.00
C.0.50
D.Cannot be determined from the information given.
Reset Selection
Part 2 of 6 -
Question 6 of 20
1.0 Points
We assume that the outcomes of successive trials in a binomial experiment are:
A.identical from trial to trial
B.random numbers between 0 and 1
C.probabilistically independent
D.probabilistically dependent
Reset Selection
Question 7 of 20
1.0 Points
Find the variance of the following probability distribution.
X
P(X)
1
0.10
2
0.20
3
0.35
4
0.30
5
0.05
A.1.1
B.1.21
C.1.05
D.1.02
Reset Selection
Question 8 of 20
1.0 Points
A die is rolled 360 times. Find the standard deviation for the number of 3s that will be rolled.
A.60
B.50
C.7.1
D.5.9
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Question 9 of 20
1.0 Points
Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still operating with a probability of 0.70 and has failed with a probability of 0.30.
What is the probability that between 25 and 30 batteries (inclusive) will last at least 8 hours?
A.0.0839
B.0.7792
C.0.1186
D.0.9169
Reset Selection
Question 10 of 20
1.0 Points
If a gambler rolls two dice and gets a sum of 10, he wins $10, and if he gets a sum of three, he wins $20. The cost to play the game is $5. What is the expectation of this game?
A.$3.06
B.-$2.78
C.-$3.06
D.$2.78
Reset Selection
Part 3 of 6 -
Question 11 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The annual returns, i ...
Question 1 of 201.0 PointsAccepted characters numbers.docxteofilapeerless
Question 1 of 20
1.0 Points
Accepted characters
: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation).
NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A sample of 40 country CD recordings of Willie Nelson has been examined. The average playing time of these recordings is 51.3 minutes, and the standard deviation is s = 5.8 minutes.
Using an appropriate t-multiplier, construct a 95% confidence interval for the mean playing time of all Willie Nelson recordings.
Place your LOWER limit, in minutes, rounded to 2 decimal places, in the first blank. For example, 56.78 would be a legitimate entry. [removed] .
Place your UPPER limit, in minutes, rounded to 2 decimal places, in the second blank. For example, 67.89 would be a legitimate entry. [removed]
Question 2 of 20
1.0 Points
Accepted characters
: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation).
NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A lawyer researched the average number of years served by 45 different justices on the Supreme Court. The average number of years served was 13.8 years with a standard deviation of 7.3 years. What is the 95% confidence interval estimate for the average number of years served by all Supreme Court justices? Place your limits,
rounded to 1 decimal place
, in the blanks. Place you lower limit in the first blank. [removed] Place your upper limit in the second blank. [removed] When entering your answer do not use any labels or symbols. Simply provide the numerical value. For example, 12.3 would be a legitimate entry.
Question 3 of 20
1.0 Points
Accepted characters
: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation).
NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The personnel department of a large corporation wants to estimate the family dental expenses of its employees to determine the feasibility of providing a dental insurance plan. A random sample of 12 employees reveals the following family dental expenses (in dollars): 115, 370, 250, .
Question 1 of 20 1.0 Points If a die is rolled one time, fin.docxIRESH3
Question 1 of 20
1.0 Points
If a die is rolled one time, find the probability of getting a number greater than 2.
A.2
B.-1
C.5/6
D.4/6
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Question 2 of 20
1.0 Points
The result of tossing a coin once will be either head or tail. Let A and B be the events of observing head and tail, respectively. The events A and B are:
A.mutually exclusive
B.independent
C.conditional
D.unilateral
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Question 3 of 20
1.0 Points
What is the probability of drawing two queens in a row from a standard deck of cards without replacement?
A.0.0059
B.0.0385
C.0.0015
D.0.0045
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Question 4 of 20
1.0 Points
If the probability that it will rain tomorrow is 0.38, then the probability that it will not rain tomorrow is:
A.0.38
B.-0.38
C.0.62
D.1.38
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Question 5 of 20
1.0 Points
If A and B are mutually exclusive events with P(A) = 0.70, then P(B):
A.cannot be larger than 0.30
B.can be any value between 0 and 0.70
C.cannot be determined with the information given
D.can be any value between 0 and 1
Reset Selection
Part 2 of 6 -
Question 6 of 20
1.0 Points
In one town 33% of the households have a vehicle with all-wheel drive. If 4 households are selected at random, what is the probability that all 4 have vehicles with all-wheel drive?
A.0.0119
B.0.33
C.0.0825
D.0.4662
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Question 7 of 20
1.0 Points
A pet supplier has a stock of parakeets of which 10% are blue parakeets. A pet store orders 3 parakeets from this supplier. If the supplier selects the parakeets at random, what is the chance that the pet store gets exactly one blue parakeet?
A.0.081
B.0.243
C.0.027
D.0.003
Reset Selection
Question 8 of 20
1.0 Points
The probability distribution associated with the number of cartoons watched by Mrs. Kelly's first grade class on Saturday morning is shown below.
x
P(x)
0
0.15
1
0.20
2
0.30
3
0.10
4
0.20
5
0.05
Find the standard deviation for the probability distribution above.
A.1.46
B.2.25
C.1.89
D.1.18
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Question 9 of 20
1.0 Points
Which of following statements are true regarding the probability distribution of a random variable X?
A.The probabilities must be nonnegative
B.The probabilities must sum to 1
C.The random variable must be continuous
D.Both (a) and (b)
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Question 10 of 20
1.0 Points
If a student randomly guesses at 20 multiple-choice questions, find the probability that the student gets exactly four correct. Each question has four possible choices.
A.0.19
B.0.17
C.0.08
D.0.23
Reset Selection
Part 3 of 6 -
Question 11 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point mar ...
Part 1 of 9 -Question 1 of 251.0 PointsSuppose that a hist.docxherbertwilson5999
Part 1 of 9 -
Question 1 of 25
1.0 Points
Suppose that a histogram of a data set is approximately symmetric and "bell shaped". Approximately, what percent of the observations are within three standard deviations of the mean?
A.95%
B.68%
C.50%
D.99.7%
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Part 2 of 9 -
Question 2 of 25
1.0 Points
If the probability that it will rain tomorrow is 0.38, then the probability that it will not rain tomorrow is:
A.0.38
B.-0.38
C.0.62
D.1.38
Reset Selection
Question 3 of 25
1.0 Points
What is the probability of drawing two queens in a row from a standard deck of cards without replacement?
A.0.0385
B.0.0059
C.0.0045
D.0.0015
Reset Selection
Part 3 of 9 -
Question 4 of 25
1.0 Points
Find the variance of the following probability distribution.
X
P(X)
1
0.30
2
0.15
3
0.05
4
0.25
5
0.25
A.1.73
B.1.61
C.2.60
D.1.27
Reset Selection
Question 5 of 25
1.0 Points
According to an Internet posting, 80% of adults enjoy drinking beer. A group of 7 adults is chosen randomly. The probability that no more than 3 of them enjoy drinking beer is:
A.0.029
B.0.033
C.0.267
D.0.429
Reset Selection
Question 6 of 25
1.0 Points
The probability distribution associated with the number of cartoons watched by Mrs. Kelly's first grade class on Saturday morning is shown below.
x P(X)
0 0.15
1 0.20
2 0.30
3 0.10
4 0.20
5 0.05
0
Find the standard deviation for the probability distribution above.
A.1.46
B.2.25
C.1.89
D.1.18
Reset Selection
Part 4 of 9 -
Question 7 of 25
1.0 Points
One reason for standardizing random variables is to measure variables with:
A.different means and standard deviations on a single scale
B.similar means and standard deviations on two scales
C.dissimilar means and similar standard deviations in like terms
D.different means and standard deviations on a non-standard scale
Reset Selection
Question 8 of 25
1.0 Points
The average height of flowering cherry trees in a nursery is 11 feet. If the heights are normally distributed with a standard deviation of 1.6, find the probability that a randomly selected cherry tree in this nursery is less than 13 feet tall.
A. 0.67
B.0.89
C.0.95
D.0.11
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Question 9 of 25
1.0 Points
The standard deviation of a probability distribution must be:
A.a negative number
B.a nonnegative number
C.a number between 0 and 1
D.less than the value of the mean
Reset Selection
Question 10 of 25
1.0 Points
The continuous distribution characterized by a symmetric, bell-shaped curve is the:
A.binomial distribution
B.normal distribution
C.Poisson distribution
D.exponential distribution
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Question 11 of 25
1.0 Points
Given that Z is a standard normal variable, the value z for which P(Z < z) = 0.2580 is
A.0.242
B.0.758
C.-0.70
D.-0.65
Reset Selection
Question 12 of 25
1.0 Points
Given that the random variable X is normally distributed with a mean of 8.
Question 1Two teams of workers assemble automobile e.docxIRESH3
Question 1
Two teams of workers assemble automobile engines at a manufacturing plant in Michigan. A random sample of 145 assemblies from team 1 shows 15 unacceptable assemblies. A similar random sample of 125 assemblies from team 2 shows 8 unacceptable assemblies.
Is there sufficient evidence to conclude, at the 10% significance level, that the two teams differ with respect to their proportions of unacceptable assemblies?
A.No, since the p-value is less than 0.10
B.No, since the test value exceeds the critical value
C.No, since the test value does not exceed the critical value
D.Yes, since the p-value is greater than 0.10
Question 2
The regression line y' = -3 + 2.5 X has been fitted to the data points (28, 60), (20, 50), (10, 18), and (25, 55). The sum of the squared residuals will be:
A.16.00
B.20.25
C.94.25
D.49.00
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Question 3
Outliers are observations that
A.lie outside the sample
B.render the study useless
C.disrupt the entire linear trend
D.lie outside the typical pattern of points
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Question 4
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A field researcher is gathering data on the trunk diameters of mature pine and spruce trees in a certain area. The following are the results of his random sampling. Can he conclude, at the 0.10 level of significance, that the average trunk diameter of a pine tree is greater than the average diameter of a spruce tree?
Pine trees
Spruce trees
Sample size
20
30
Mean trunk diameter (cm)
45
39
Sample variance
100
150
What is the test value for this hypothesis test?
Test value: Round your answer to three decimal places.
What is the critical value?
Critical value: Round your answer to three decimal places.
Question 5
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
Data for a sample of 25 apartments in a particular neighborhood are provided below. Using the estimated regression equation found by using size as the predictor variable, find a point estimate for the average monthly rent for apartments having 1,000 square feet of space. Place your answer, rounded to the nearest whole dollar, in th ...
Part 1 of 8 - Question 1 of 171.0 PointsTwo teams of worke.docxherbertwilson5999
Part 1 of 8 -
Question 1 of 17
1.0 Points
Two teams of workers assemble automobile engines at a manufacturing plant in Michigan. A random sample of 145 assemblies from team 1 shows 15 unacceptable assemblies. A similar random sample of 125 assemblies from team 2 shows 8 unacceptable assemblies.
Is there sufficient evidence to conclude, at the 10% significance level, that the two teams differ with respect to their proportions of unacceptable assemblies?
A.No, since the test value exceeds the critical value
B.No, since the test value does not exceed the critical value
C.No, since the p-value is less than 0.10
D.Yes, since the p-value is greater than 0.10
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Question 2 of 17
1.0 Points
Q-Mart is interested in comparing its male and female customers. Q-Mart would like to know if the amount of money spent by its female charge customers differs, on average, from the amount spent by its male charge customers.
To answer this question, an analyst collected random samples of 25 female customers and 22 male customers. Based on these samples, on average, the 25 women charge customers spent $102.23 and the 22 men charge customers spent $86.46. Moreover, the sample standard deviation of the amount charged by the 25 women was $93.393, and the sample standard deviation of the amount charged by the 22 men was $59.695.
Using the procedure advocated by Bluman, at the 10% level of significance, is there sufficient evidence for Q-Mart to conclude that, on average, the amount spent by women charge customers differs from the amount spent by men charge customers.
A.No, the p-value of this test is less than 0.10.
B.No, the test value does not exceed the critical value.
C.Yes, the test value does not exceed the critical value
D.Yes, the p-value of this test is greater than 0.10
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Question 3 of 17
1.0 Points
A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a difference between the effectiveness for women and for men. Assume α = 0.05. What is the test value?
Women
Men
Sample size
50
80
Mean effect
7
6.95
Sample variance
3
4
A.z = 0.455
B.t = 0.151
C.z = 0.081
D.t = 3.252
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Part 2 of 8 -
Question 4 of 17
1.0 Points
The marketing manager of a large supermarket chain would like to use shelf space to predict the sales of pet food. For a random sample of 12 similar stores, she gathered the following information regarding the shelf space, in feet, devoted to pet food and the weekly sales in hundreds of dollars. .
Store
1
2
3
4
5
6
Shelf Space
5
5
5
10
10
10
Weekly Sales
1.6
2.2
1.4
1.9
2.4
2.6
Store
7
8
9
10
11
12
Shelf Space
15
15
15
20
20
20
Weekly Sales
2.3
2.7
2.8
2.6
2.9
3.1
Is the correlation between weekly sales and shelf space significant at the .01 level of significance?
A.No, the sample correlation coefficient does not exceed the critical value.
B.
Yes, the computed t-test statis.
Part 1 of 16 -Question 1 of 231.0 PointsThe data presented i.docxodiliagilby
Part 1 of 16 -
Question 1 of 23
1.0 Points
The data presented in the table below resulted from an experiment in which seeds of 5 different types were planted and the number of seeds that germinated within 5 weeks after planting was recorded for each seed type. At the .01 level of significance, is the proportion of seeds that germinate dependent on the seed type?
Seed Type
Observed Frequencies
Germinated
Failed to Germinate
1
31
7
2
57
33
3
87
60
4
52
44
5
10
19
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Question 2 of 23
1.0 Points
A company operates four machines during three shifts each day. From production records, the data in the table below were collected. At the .05 level of significance test to determine if the number of breakdowns is independent of the shift.
Machine
Shift
A
B
C
D
1
41
20
12
16
2
31
11
9
14
3
15
17
16
10
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Part 2 of 16 -
Question 3 of 23
1.0 Points
In choosing the “best-fitting” line through a set of points in linear regression, we choose the one with the:
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Question 4 of 23
1.0 Points
A single variable X can explain a large percentage of the variation in some other variable Y when the two variables are:
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Question 5 of 23
1.0 Points
A correlation value of zero indicates.
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Part 3 of 16 -
Question 6 of 23
1.0 Points
An investor wants to compare the risks associated with two different stocks. One way to measure the risk of a given stock is to measure the variation in the stock’s daily price changes.
In an effort to test the claim that the variance in the daily stock price changes for stock 1 is different from the variance in the daily stock price changes for stock 2, the investor obtains a random sample of 21 daily price changes for stock 1 and 21 daily price changes for stock 2.
The summary statistics associated with these samples are: n
1
= 21, s
1
= .725, n
2
= 21, s
2
= .529.
If you compute the test value by placing the larger variance in the numerator, at the .05 level of significance, would you conclude that the risks associated with these two stocks are different?
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Question 7 of 23
1.0 Points
Two independent samples of sizes n
1
= 50 and n
2
= 50 are randomly selected from two populations to test the difference between the population means,
. The sampling distribution of the sample mean difference,
is:
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Part 4 of 16 -
Question 8 of 23
1.0 Points
Suppose that the mean time for a certain car to go from 0 to 60 miles per hour was 7.7 seconds. Suppose that you want to test the claim that the average time to accelerate from 0 to 60 miles per hour is longer than 7.7 seconds. What would you use for the alternative hypothesis?
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Question 9 of 23
1.0 Points
A two-tailed test is one where:
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Question 10 of 23
1.0 Points
Which of the following values is not typically used for
?
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Part 5 of 16 -
Question 11 of 23
1.0 Points
From a sample of 500 items, 30 wer.
Question 1 of 151.0 PointsAccepted characters numbers, de.docxmakdul
Question 1 of 15
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
Below is the simple crosstab for Beta Blocker use vs. Low HDL. The natural log of the odds ratio [ln(OR)]=
Question 2 of 15
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
Using the table from question 1, the standard error of ln(OR)=
Question 3 of 15
1.0 Points
Using the answer for the two previous questions, calculate a 95% CI for OR (Note, you will have to convert your answer from log form before you select an answer).
A. 2.795 - 8.449
B. 1.644 - 14.368
C. 1.028 - 2.134
D. .497 - 2.665
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Question 4 of 15
1.0 Points
In this assignment, you will use the data set “birthwt3.sav”, in homework files under resources. This time we will use the clinical criterion for low birth weight (<2500 grams) to determine whether the baby is of low birth weight. Then you will use logistic regression to examine the effects of risk factors on the chance of a mother having a low birth weight baby. The dataset contains the following variables:
ID: Mother’s identification number
MOTH_AGE: Mother’s age (years)
MOTH_WT: Mother’s weight (pounds)
RACE: Mother’s race (1=White, 2=Black, 3=Other)
dummy variables (Black, White and Other) are already coded in the data set.
SMOKE: Mother’s smoking status (1=Yes, 0=No)
PERM: History of premature labor (number of times)
HYPE: History of hypertension (1=Yes, 0=N0)
URIN_IRR: History of urinary irritation (1=Yes, 0=N0)
PHYS_VIS: Number of physician visits
BIRTH_WT Birth weight of new born (grams)
LBW: Dummy variable, coded 1 if the baby has low birth weight
Run a logistic regression to predict the outcome “LBW” using Smoke, Black and Other as the independent variables. Based on the logistic regression results, match the odds ratio for each of the variables.
A. 3.053
B. 3.030
C. 2.957
1. Smoke
2. Black
3. Other
Question 5 of 15
1.0 Points
We cannot make which of the following conclusions based on the results above?
A. Adjusting for smoking status, the odds of having low birth weight baby for Black women and women of other race is about 3 times the odds for White women.
B. The effect o ...
Part 1 of 8 - Question 1 of 17 1.0 Points A pha.docxherbertwilson5999
Part 1 of 8 -
Question 1 of 17
1.0 Points
A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of
this trial, they wish to determine whether there is a difference between the effectiveness for women and
for men. Assume α = 0.05. What is the test value?
Women Men
Sample size 50 80
Mean effect 7 6.95
Sample variance 3 4
A.t = 0.151
B.z = 0.081
C.t = 3.252
D.z = 0.455
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Question 2 of 17
1.0 Points
Q-Mart is interested in comparing its male and female customers. Q-Mart would like to know if the
amount of money spent by its female charge customers differs, on average, from the amount spent by its
male charge customers.
To answer this question, an analyst collected random samples of 25 female customers and 22 male
customers. Based on these samples, on average, the 25 women charge customers spent $102.23 and
the 22 men charge customers spent $86.46. Moreover, the sample standard deviation of the amount
charged by the 25 women was $93.393, and the sample standard deviation of the amount charged by
the 22 men was $59.695.
Using the procedure advocated by Bluman, at the 10% level of significance, is there sufficient evidence
for Q-Mart to conclude that, on average, the amount spent by women charge customers differs from the
amount spent by men charge customers.
https://edge.apus.edu/portal/tool/e0599bbb-37e1-42a1-b2bf-368ce3fe543c/jsf/delivery/beginTakingAssessment
A.Yes, the p-value of this test is greater than 0.10
B.Yes, the test value does not exceed the critical value
C.No, the test value does not exceed the critical value.
D.No, the p-value of this test is less than 0.10.
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Question 3 of 17
1.0 Points
Some defendants in criminal proceedings plead guilty and are sentenced without a trial, whereas others who
plead innocent are subsequently found guilty and then are sentenced. In recent years, legal scholars
have speculated as to whether sentences of those who plead guilty differ in severity from sentences for
those who plead innocent and are subsequently judged guilty. Consider the data given below on
defendants accused of robbery, all of whom, by the way, had previous prison records. At the .01 level of
significance, do these data suggest that the proportion of all defendants in these circumstances who
plead guilty and are sent to prison differs from the proportion who are sent to prison after pleading
innocent and being found guilty?
Plea
Guilty Not Guilty
Number judged guilty n1 = 191 n2 = 64
Number sentenced to prison x1 = 101 x2 = 56
Sample proportion .529 .875
A.Yes, because the test value -4.94 is outside the interval (-2.58, 2.58)
B.No, because the test value -4.94 is outside the interval (-1.96, 1.96)
C.No, because the test value -1.96 is inside the interval (-2.58, 2.58)
D.Yes, because the test value 2.58 is inside the interval (.
Question 2 of 231.0 PointsA company operates four machines dur.docxwraythallchan
Question 2 of 23
1.0 Points
A company operates four machines during three shifts each day. From production records, the data in the table below were collected. At the .05 level of significance test to determine if the number of breakdowns is independent of the shift.
Machine
1
2
3
Shift
A
41
31
15
B
20
11
17
C
12
9
16
D
16
14
10
A.The number of breakdowns is dependent on the shift, because the test value 11.649 is less than the critical value of 12.592.
B.The claim that the number of breakdowns is independent of the shift cannot be rejected, because the test value 11.649 is less than the critical value of 12.592.
C.The number of breakdowns is dependent on the shift, because the p-value is .07.
D.The number of breakdowns is independent of the shift, because the test value 12.592 is greater than the critical value of 11.649. Reset Selection
Part 2 of 16 -
Question 3 of 23
1.0 Points
If an estimated regression line has a Y-intercept of –7.5 and a slope of 2.5, then when X = 3, the actual value of Y is:
A.10
B.5
C.unknown
D.0 Reset Selection
Question 4 of 23
1.0 Points
The city of Oakdale wishes to see if there is a linear relationship between the temperature and the amount of electricity used (in kilowatts). Based on the data in the table below, is there a significant linear relationship between temperature and the amount of electricity used? These data are also available in the worksheet temperature in the Excel workbook Temperature.xlsx.
Temperature.xlsx
Temperature (x)
Kilowatts (y)
73
680
78
760
85
910
98
1510
93
1170
81
837
76
600
105
1800
A.No, the sample correlation coefficient is equal to 0.098, which does not provide evidence of a significant linear relationship.
B.No, the sample correlation coefficient is equal to 0.981, which does not provide evidence of a significant linear relationship.
C.Yes, the sample correlation coefficient is equal to 0.878, which provides evidence of a significant linear relationship.
D.Yes, the sample correlation coefficient is equal to 0.981, which provides evidence of a significant linear relationship. Reset Selection
Question 5 of 23
1.0 Points
____________ is/are especially helpful in identifying outliers.
A.Scatterplots
B.Normal curves
C.Linear regression
D.Regression analysis Reset Selection
Part 3 of 16 -
Question 6 of 23
1.0 Points
Serum ferritin is used in diagnosing iron deficiency. In a study conducted recently researchers discovered that in a sample of 28 elderly men the sample standard deviation of serum ferritin was 52.6 mg/L. For 26 younger men the sample standard deviation was 84.2 mg/L. At the .01 level of significance, do these data support the conclusion that the ferritin distribution in elderly men has a smaller variance than in younger men?
A.No, because the test value 1.60 is less than the critical value of 2.54
B.Yes, because the test value 0.390 is less than the critical value 2.54
C.Yes, because the test value 2.56 is greater than the critical value ...
Question 3Carlton Containers has a dividend policy whereby the fir.pdfalamshoes001
Question 3
Carlton Containers has a dividend policy whereby the firm pays a constant annual dividend of
$1.95 per share of common stock. The firm has 10,000 shares of stock outstanding. The
company
must always show a current liability of $19,500 ($1.95 x 1,000) for dividends payable.
is obligated to pay $1.95 per share each year in perpetuity.
must still declare each dividend before it becomes an actual company liability.
will be declared in default if it does not pay at least $1.95 per share per year on a timely basis.
has a liability that must be paid at a later date should the company miss paying an annual
dividend payment.
must always show a current liability of $19,500 ($1.95 x 1,000) for dividends payable.
is obligated to pay $1.95 per share each year in perpetuity.
must still declare each dividend before it becomes an actual company liability.
will be declared in default if it does not pay at least $1.95 per share per year on a timely basis.
has a liability that must be paid at a later date should the company miss paying an annual
dividend payment.
Solution
The company must still declare each dividend before it becomes an actual company liability.
Dividend on common stock is genearally paid only if the company is in profits. So, by default a
current liability cannot be created, because it is not certain that every year the company will
make profits.
It is only the policy of the company, it does not create an obligation that the company must pay
dividend.
Therefore, the company must declare its dividend in the Annual general meeting by means of a
resolution, only then the dividend liability will arise. Hence the correct statement is the third
statement..
QUESTION 5Which of the following words are most descriptive of cla.pdfalamshoes001
QUESTION 5
Which of the following words are most descriptive of classical organization
theory?
Deconstruction, critical, decentralized
Mechanical, clockwork, rational
Informal, horizontal, pluralistic
Economic, competition, utilitarian
QUESTION 6
Which of the following is TRUE of scientific management?
Use time and motion studies to devise the one best way to accomplish tasks.
In advocating for scientific management, Taylor made his case primarily to
upper level management.
Select the best workers for each task.
All of the above are true of scientific management
3 points
QUESTION 7
The underlying form of logic that public choice theory is based upon is known as
Contingency theory.
Bounded rationality.
Organizational humanism.
Utilitarianism.
3 points
QUESTION 8
Which of the following is NOT an advantage of decentralization?
It is viewed more positively in U.S. political culture.
It results in increased organizational flexibility.
It is more responsive to the consumer.
All of the above are advantages of decentralization.
3 points
QUESTION 9
The chief objective of classical bureaucracy is to
Enhance internal control by means of structures that emphasize predictability
and accountability.
Adapt readily to changes in the environment.
Foster task and social cohesion.
None of the above.
3 points
QUESTION 10
In which type of organization is authority based more on professional norms and
standards rather than exclusively on organizational rank?
Matrix organization
Organic organization
Tall hierarchy
Professional bureaucracy
3 points
QUESTION 11
The theory that holds the assumption that people hate work and do all they can to
avoid it is called
Path goal theory.
Hierarchy of needs.
Theory X.
Theory Y.
3 points
QUESTION 12
Material and non-monetary incentives for workers such as pay, fringe benefits,
health insurance, pension, use of company vehicles, day care for children and
health club members are examples of
Intrinsic rewards.
Extrinsic rewards.
Self-esteem rewards.
Safety and security needs.
3 points
QUESTION 13
The group-decision technique designed to reduce or eliminate groupthink that
involves the use of written questionnaires and anonymity is called
The Delphi Method.
The Abilene Paradox.
Nominal Group Technique
Mixed scanning.
3 points
QUESTION 14
Which of the following is an accurate statement about cultural change in public
organizations?
People in organizations seldom enthusiastically welcome change.
Strong leadership is required in order to effect permanent change.
Changing organizations requires considerable resources to be successful.
All of the above are accurate statements about cultural change in public
organizations.
3 points
QUESTION 15
The group-decision technique designed to reduce or eliminate groupthink that
involves face-to-face meetings where participants write down solutions to a problem is called
The Delphi Method.
The Abilene Paradox.
Nominal Group Technique.
Mixed scanning.
3 points
QUESTION 16
Which of the following is T.
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Question 1 of 20 1.0 Points If a die is rolled one time, fin.docxIRESH3
Question 1 of 20
1.0 Points
If a die is rolled one time, find the probability of getting a number greater than 2.
A.2
B.-1
C.5/6
D.4/6
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Question 2 of 20
1.0 Points
The result of tossing a coin once will be either head or tail. Let A and B be the events of observing head and tail, respectively. The events A and B are:
A.mutually exclusive
B.independent
C.conditional
D.unilateral
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Question 3 of 20
1.0 Points
What is the probability of drawing two queens in a row from a standard deck of cards without replacement?
A.0.0059
B.0.0385
C.0.0015
D.0.0045
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Question 4 of 20
1.0 Points
If the probability that it will rain tomorrow is 0.38, then the probability that it will not rain tomorrow is:
A.0.38
B.-0.38
C.0.62
D.1.38
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Question 5 of 20
1.0 Points
If A and B are mutually exclusive events with P(A) = 0.70, then P(B):
A.cannot be larger than 0.30
B.can be any value between 0 and 0.70
C.cannot be determined with the information given
D.can be any value between 0 and 1
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Question 6 of 20
1.0 Points
In one town 33% of the households have a vehicle with all-wheel drive. If 4 households are selected at random, what is the probability that all 4 have vehicles with all-wheel drive?
A.0.0119
B.0.33
C.0.0825
D.0.4662
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Question 7 of 20
1.0 Points
A pet supplier has a stock of parakeets of which 10% are blue parakeets. A pet store orders 3 parakeets from this supplier. If the supplier selects the parakeets at random, what is the chance that the pet store gets exactly one blue parakeet?
A.0.081
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Question 8 of 20
1.0 Points
The probability distribution associated with the number of cartoons watched by Mrs. Kelly's first grade class on Saturday morning is shown below.
x
P(x)
0
0.15
1
0.20
2
0.30
3
0.10
4
0.20
5
0.05
Find the standard deviation for the probability distribution above.
A.1.46
B.2.25
C.1.89
D.1.18
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Question 9 of 20
1.0 Points
Which of following statements are true regarding the probability distribution of a random variable X?
A.The probabilities must be nonnegative
B.The probabilities must sum to 1
C.The random variable must be continuous
D.Both (a) and (b)
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Question 10 of 20
1.0 Points
If a student randomly guesses at 20 multiple-choice questions, find the probability that the student gets exactly four correct. Each question has four possible choices.
A.0.19
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Question 11 of 20
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point mar ...
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Suppose that a histogram of a data set is approximately symmetric and "bell shaped". Approximately, what percent of the observations are within three standard deviations of the mean?
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B.68%
C.50%
D.99.7%
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Part 2 of 9 -
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1.0 Points
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What is the probability of drawing two queens in a row from a standard deck of cards without replacement?
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B.0.0059
C.0.0045
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Part 3 of 9 -
Question 4 of 25
1.0 Points
Find the variance of the following probability distribution.
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P(X)
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0.30
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0.15
3
0.05
4
0.25
5
0.25
A.1.73
B.1.61
C.2.60
D.1.27
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Question 5 of 25
1.0 Points
According to an Internet posting, 80% of adults enjoy drinking beer. A group of 7 adults is chosen randomly. The probability that no more than 3 of them enjoy drinking beer is:
A.0.029
B.0.033
C.0.267
D.0.429
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Question 6 of 25
1.0 Points
The probability distribution associated with the number of cartoons watched by Mrs. Kelly's first grade class on Saturday morning is shown below.
x P(X)
0 0.15
1 0.20
2 0.30
3 0.10
4 0.20
5 0.05
0
Find the standard deviation for the probability distribution above.
A.1.46
B.2.25
C.1.89
D.1.18
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Part 4 of 9 -
Question 7 of 25
1.0 Points
One reason for standardizing random variables is to measure variables with:
A.different means and standard deviations on a single scale
B.similar means and standard deviations on two scales
C.dissimilar means and similar standard deviations in like terms
D.different means and standard deviations on a non-standard scale
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Question 8 of 25
1.0 Points
The average height of flowering cherry trees in a nursery is 11 feet. If the heights are normally distributed with a standard deviation of 1.6, find the probability that a randomly selected cherry tree in this nursery is less than 13 feet tall.
A. 0.67
B.0.89
C.0.95
D.0.11
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Question 9 of 25
1.0 Points
The standard deviation of a probability distribution must be:
A.a negative number
B.a nonnegative number
C.a number between 0 and 1
D.less than the value of the mean
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Question 10 of 25
1.0 Points
The continuous distribution characterized by a symmetric, bell-shaped curve is the:
A.binomial distribution
B.normal distribution
C.Poisson distribution
D.exponential distribution
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Question 11 of 25
1.0 Points
Given that Z is a standard normal variable, the value z for which P(Z < z) = 0.2580 is
A.0.242
B.0.758
C.-0.70
D.-0.65
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Question 12 of 25
1.0 Points
Given that the random variable X is normally distributed with a mean of 8.
Question 1Two teams of workers assemble automobile e.docxIRESH3
Question 1
Two teams of workers assemble automobile engines at a manufacturing plant in Michigan. A random sample of 145 assemblies from team 1 shows 15 unacceptable assemblies. A similar random sample of 125 assemblies from team 2 shows 8 unacceptable assemblies.
Is there sufficient evidence to conclude, at the 10% significance level, that the two teams differ with respect to their proportions of unacceptable assemblies?
A.No, since the p-value is less than 0.10
B.No, since the test value exceeds the critical value
C.No, since the test value does not exceed the critical value
D.Yes, since the p-value is greater than 0.10
Question 2
The regression line y' = -3 + 2.5 X has been fitted to the data points (28, 60), (20, 50), (10, 18), and (25, 55). The sum of the squared residuals will be:
A.16.00
B.20.25
C.94.25
D.49.00
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Question 3
Outliers are observations that
A.lie outside the sample
B.render the study useless
C.disrupt the entire linear trend
D.lie outside the typical pattern of points
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Question 4
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A field researcher is gathering data on the trunk diameters of mature pine and spruce trees in a certain area. The following are the results of his random sampling. Can he conclude, at the 0.10 level of significance, that the average trunk diameter of a pine tree is greater than the average diameter of a spruce tree?
Pine trees
Spruce trees
Sample size
20
30
Mean trunk diameter (cm)
45
39
Sample variance
100
150
What is the test value for this hypothesis test?
Test value: Round your answer to three decimal places.
What is the critical value?
Critical value: Round your answer to three decimal places.
Question 5
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
Data for a sample of 25 apartments in a particular neighborhood are provided below. Using the estimated regression equation found by using size as the predictor variable, find a point estimate for the average monthly rent for apartments having 1,000 square feet of space. Place your answer, rounded to the nearest whole dollar, in th ...
Part 1 of 8 - Question 1 of 171.0 PointsTwo teams of worke.docxherbertwilson5999
Part 1 of 8 -
Question 1 of 17
1.0 Points
Two teams of workers assemble automobile engines at a manufacturing plant in Michigan. A random sample of 145 assemblies from team 1 shows 15 unacceptable assemblies. A similar random sample of 125 assemblies from team 2 shows 8 unacceptable assemblies.
Is there sufficient evidence to conclude, at the 10% significance level, that the two teams differ with respect to their proportions of unacceptable assemblies?
A.No, since the test value exceeds the critical value
B.No, since the test value does not exceed the critical value
C.No, since the p-value is less than 0.10
D.Yes, since the p-value is greater than 0.10
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Question 2 of 17
1.0 Points
Q-Mart is interested in comparing its male and female customers. Q-Mart would like to know if the amount of money spent by its female charge customers differs, on average, from the amount spent by its male charge customers.
To answer this question, an analyst collected random samples of 25 female customers and 22 male customers. Based on these samples, on average, the 25 women charge customers spent $102.23 and the 22 men charge customers spent $86.46. Moreover, the sample standard deviation of the amount charged by the 25 women was $93.393, and the sample standard deviation of the amount charged by the 22 men was $59.695.
Using the procedure advocated by Bluman, at the 10% level of significance, is there sufficient evidence for Q-Mart to conclude that, on average, the amount spent by women charge customers differs from the amount spent by men charge customers.
A.No, the p-value of this test is less than 0.10.
B.No, the test value does not exceed the critical value.
C.Yes, the test value does not exceed the critical value
D.Yes, the p-value of this test is greater than 0.10
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Question 3 of 17
1.0 Points
A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a difference between the effectiveness for women and for men. Assume α = 0.05. What is the test value?
Women
Men
Sample size
50
80
Mean effect
7
6.95
Sample variance
3
4
A.z = 0.455
B.t = 0.151
C.z = 0.081
D.t = 3.252
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Part 2 of 8 -
Question 4 of 17
1.0 Points
The marketing manager of a large supermarket chain would like to use shelf space to predict the sales of pet food. For a random sample of 12 similar stores, she gathered the following information regarding the shelf space, in feet, devoted to pet food and the weekly sales in hundreds of dollars. .
Store
1
2
3
4
5
6
Shelf Space
5
5
5
10
10
10
Weekly Sales
1.6
2.2
1.4
1.9
2.4
2.6
Store
7
8
9
10
11
12
Shelf Space
15
15
15
20
20
20
Weekly Sales
2.3
2.7
2.8
2.6
2.9
3.1
Is the correlation between weekly sales and shelf space significant at the .01 level of significance?
A.No, the sample correlation coefficient does not exceed the critical value.
B.
Yes, the computed t-test statis.
Part 1 of 16 -Question 1 of 231.0 PointsThe data presented i.docxodiliagilby
Part 1 of 16 -
Question 1 of 23
1.0 Points
The data presented in the table below resulted from an experiment in which seeds of 5 different types were planted and the number of seeds that germinated within 5 weeks after planting was recorded for each seed type. At the .01 level of significance, is the proportion of seeds that germinate dependent on the seed type?
Seed Type
Observed Frequencies
Germinated
Failed to Germinate
1
31
7
2
57
33
3
87
60
4
52
44
5
10
19
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Question 2 of 23
1.0 Points
A company operates four machines during three shifts each day. From production records, the data in the table below were collected. At the .05 level of significance test to determine if the number of breakdowns is independent of the shift.
Machine
Shift
A
B
C
D
1
41
20
12
16
2
31
11
9
14
3
15
17
16
10
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Part 2 of 16 -
Question 3 of 23
1.0 Points
In choosing the “best-fitting” line through a set of points in linear regression, we choose the one with the:
Reset Selection
Question 4 of 23
1.0 Points
A single variable X can explain a large percentage of the variation in some other variable Y when the two variables are:
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Question 5 of 23
1.0 Points
A correlation value of zero indicates.
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Part 3 of 16 -
Question 6 of 23
1.0 Points
An investor wants to compare the risks associated with two different stocks. One way to measure the risk of a given stock is to measure the variation in the stock’s daily price changes.
In an effort to test the claim that the variance in the daily stock price changes for stock 1 is different from the variance in the daily stock price changes for stock 2, the investor obtains a random sample of 21 daily price changes for stock 1 and 21 daily price changes for stock 2.
The summary statistics associated with these samples are: n
1
= 21, s
1
= .725, n
2
= 21, s
2
= .529.
If you compute the test value by placing the larger variance in the numerator, at the .05 level of significance, would you conclude that the risks associated with these two stocks are different?
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Question 7 of 23
1.0 Points
Two independent samples of sizes n
1
= 50 and n
2
= 50 are randomly selected from two populations to test the difference between the population means,
. The sampling distribution of the sample mean difference,
is:
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Part 4 of 16 -
Question 8 of 23
1.0 Points
Suppose that the mean time for a certain car to go from 0 to 60 miles per hour was 7.7 seconds. Suppose that you want to test the claim that the average time to accelerate from 0 to 60 miles per hour is longer than 7.7 seconds. What would you use for the alternative hypothesis?
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Question 9 of 23
1.0 Points
A two-tailed test is one where:
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Question 10 of 23
1.0 Points
Which of the following values is not typically used for
?
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Part 5 of 16 -
Question 11 of 23
1.0 Points
From a sample of 500 items, 30 wer.
Question 1 of 151.0 PointsAccepted characters numbers, de.docxmakdul
Question 1 of 15
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
Below is the simple crosstab for Beta Blocker use vs. Low HDL. The natural log of the odds ratio [ln(OR)]=
Question 2 of 15
1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
Using the table from question 1, the standard error of ln(OR)=
Question 3 of 15
1.0 Points
Using the answer for the two previous questions, calculate a 95% CI for OR (Note, you will have to convert your answer from log form before you select an answer).
A. 2.795 - 8.449
B. 1.644 - 14.368
C. 1.028 - 2.134
D. .497 - 2.665
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Question 4 of 15
1.0 Points
In this assignment, you will use the data set “birthwt3.sav”, in homework files under resources. This time we will use the clinical criterion for low birth weight (<2500 grams) to determine whether the baby is of low birth weight. Then you will use logistic regression to examine the effects of risk factors on the chance of a mother having a low birth weight baby. The dataset contains the following variables:
ID: Mother’s identification number
MOTH_AGE: Mother’s age (years)
MOTH_WT: Mother’s weight (pounds)
RACE: Mother’s race (1=White, 2=Black, 3=Other)
dummy variables (Black, White and Other) are already coded in the data set.
SMOKE: Mother’s smoking status (1=Yes, 0=No)
PERM: History of premature labor (number of times)
HYPE: History of hypertension (1=Yes, 0=N0)
URIN_IRR: History of urinary irritation (1=Yes, 0=N0)
PHYS_VIS: Number of physician visits
BIRTH_WT Birth weight of new born (grams)
LBW: Dummy variable, coded 1 if the baby has low birth weight
Run a logistic regression to predict the outcome “LBW” using Smoke, Black and Other as the independent variables. Based on the logistic regression results, match the odds ratio for each of the variables.
A. 3.053
B. 3.030
C. 2.957
1. Smoke
2. Black
3. Other
Question 5 of 15
1.0 Points
We cannot make which of the following conclusions based on the results above?
A. Adjusting for smoking status, the odds of having low birth weight baby for Black women and women of other race is about 3 times the odds for White women.
B. The effect o ...
Part 1 of 8 - Question 1 of 17 1.0 Points A pha.docxherbertwilson5999
Part 1 of 8 -
Question 1 of 17
1.0 Points
A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of
this trial, they wish to determine whether there is a difference between the effectiveness for women and
for men. Assume α = 0.05. What is the test value?
Women Men
Sample size 50 80
Mean effect 7 6.95
Sample variance 3 4
A.t = 0.151
B.z = 0.081
C.t = 3.252
D.z = 0.455
Reset Selection
Question 2 of 17
1.0 Points
Q-Mart is interested in comparing its male and female customers. Q-Mart would like to know if the
amount of money spent by its female charge customers differs, on average, from the amount spent by its
male charge customers.
To answer this question, an analyst collected random samples of 25 female customers and 22 male
customers. Based on these samples, on average, the 25 women charge customers spent $102.23 and
the 22 men charge customers spent $86.46. Moreover, the sample standard deviation of the amount
charged by the 25 women was $93.393, and the sample standard deviation of the amount charged by
the 22 men was $59.695.
Using the procedure advocated by Bluman, at the 10% level of significance, is there sufficient evidence
for Q-Mart to conclude that, on average, the amount spent by women charge customers differs from the
amount spent by men charge customers.
https://edge.apus.edu/portal/tool/e0599bbb-37e1-42a1-b2bf-368ce3fe543c/jsf/delivery/beginTakingAssessment
A.Yes, the p-value of this test is greater than 0.10
B.Yes, the test value does not exceed the critical value
C.No, the test value does not exceed the critical value.
D.No, the p-value of this test is less than 0.10.
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Question 3 of 17
1.0 Points
Some defendants in criminal proceedings plead guilty and are sentenced without a trial, whereas others who
plead innocent are subsequently found guilty and then are sentenced. In recent years, legal scholars
have speculated as to whether sentences of those who plead guilty differ in severity from sentences for
those who plead innocent and are subsequently judged guilty. Consider the data given below on
defendants accused of robbery, all of whom, by the way, had previous prison records. At the .01 level of
significance, do these data suggest that the proportion of all defendants in these circumstances who
plead guilty and are sent to prison differs from the proportion who are sent to prison after pleading
innocent and being found guilty?
Plea
Guilty Not Guilty
Number judged guilty n1 = 191 n2 = 64
Number sentenced to prison x1 = 101 x2 = 56
Sample proportion .529 .875
A.Yes, because the test value -4.94 is outside the interval (-2.58, 2.58)
B.No, because the test value -4.94 is outside the interval (-1.96, 1.96)
C.No, because the test value -1.96 is inside the interval (-2.58, 2.58)
D.Yes, because the test value 2.58 is inside the interval (.
Question 2 of 231.0 PointsA company operates four machines dur.docxwraythallchan
Question 2 of 23
1.0 Points
A company operates four machines during three shifts each day. From production records, the data in the table below were collected. At the .05 level of significance test to determine if the number of breakdowns is independent of the shift.
Machine
1
2
3
Shift
A
41
31
15
B
20
11
17
C
12
9
16
D
16
14
10
A.The number of breakdowns is dependent on the shift, because the test value 11.649 is less than the critical value of 12.592.
B.The claim that the number of breakdowns is independent of the shift cannot be rejected, because the test value 11.649 is less than the critical value of 12.592.
C.The number of breakdowns is dependent on the shift, because the p-value is .07.
D.The number of breakdowns is independent of the shift, because the test value 12.592 is greater than the critical value of 11.649. Reset Selection
Part 2 of 16 -
Question 3 of 23
1.0 Points
If an estimated regression line has a Y-intercept of –7.5 and a slope of 2.5, then when X = 3, the actual value of Y is:
A.10
B.5
C.unknown
D.0 Reset Selection
Question 4 of 23
1.0 Points
The city of Oakdale wishes to see if there is a linear relationship between the temperature and the amount of electricity used (in kilowatts). Based on the data in the table below, is there a significant linear relationship between temperature and the amount of electricity used? These data are also available in the worksheet temperature in the Excel workbook Temperature.xlsx.
Temperature.xlsx
Temperature (x)
Kilowatts (y)
73
680
78
760
85
910
98
1510
93
1170
81
837
76
600
105
1800
A.No, the sample correlation coefficient is equal to 0.098, which does not provide evidence of a significant linear relationship.
B.No, the sample correlation coefficient is equal to 0.981, which does not provide evidence of a significant linear relationship.
C.Yes, the sample correlation coefficient is equal to 0.878, which provides evidence of a significant linear relationship.
D.Yes, the sample correlation coefficient is equal to 0.981, which provides evidence of a significant linear relationship. Reset Selection
Question 5 of 23
1.0 Points
____________ is/are especially helpful in identifying outliers.
A.Scatterplots
B.Normal curves
C.Linear regression
D.Regression analysis Reset Selection
Part 3 of 16 -
Question 6 of 23
1.0 Points
Serum ferritin is used in diagnosing iron deficiency. In a study conducted recently researchers discovered that in a sample of 28 elderly men the sample standard deviation of serum ferritin was 52.6 mg/L. For 26 younger men the sample standard deviation was 84.2 mg/L. At the .01 level of significance, do these data support the conclusion that the ferritin distribution in elderly men has a smaller variance than in younger men?
A.No, because the test value 1.60 is less than the critical value of 2.54
B.Yes, because the test value 0.390 is less than the critical value 2.54
C.Yes, because the test value 2.56 is greater than the critical value ...
Question 3Carlton Containers has a dividend policy whereby the fir.pdfalamshoes001
Question 3
Carlton Containers has a dividend policy whereby the firm pays a constant annual dividend of
$1.95 per share of common stock. The firm has 10,000 shares of stock outstanding. The
company
must always show a current liability of $19,500 ($1.95 x 1,000) for dividends payable.
is obligated to pay $1.95 per share each year in perpetuity.
must still declare each dividend before it becomes an actual company liability.
will be declared in default if it does not pay at least $1.95 per share per year on a timely basis.
has a liability that must be paid at a later date should the company miss paying an annual
dividend payment.
must always show a current liability of $19,500 ($1.95 x 1,000) for dividends payable.
is obligated to pay $1.95 per share each year in perpetuity.
must still declare each dividend before it becomes an actual company liability.
will be declared in default if it does not pay at least $1.95 per share per year on a timely basis.
has a liability that must be paid at a later date should the company miss paying an annual
dividend payment.
Solution
The company must still declare each dividend before it becomes an actual company liability.
Dividend on common stock is genearally paid only if the company is in profits. So, by default a
current liability cannot be created, because it is not certain that every year the company will
make profits.
It is only the policy of the company, it does not create an obligation that the company must pay
dividend.
Therefore, the company must declare its dividend in the Annual general meeting by means of a
resolution, only then the dividend liability will arise. Hence the correct statement is the third
statement..
QUESTION 5Which of the following words are most descriptive of cla.pdfalamshoes001
QUESTION 5
Which of the following words are most descriptive of classical organization
theory?
Deconstruction, critical, decentralized
Mechanical, clockwork, rational
Informal, horizontal, pluralistic
Economic, competition, utilitarian
QUESTION 6
Which of the following is TRUE of scientific management?
Use time and motion studies to devise the one best way to accomplish tasks.
In advocating for scientific management, Taylor made his case primarily to
upper level management.
Select the best workers for each task.
All of the above are true of scientific management
3 points
QUESTION 7
The underlying form of logic that public choice theory is based upon is known as
Contingency theory.
Bounded rationality.
Organizational humanism.
Utilitarianism.
3 points
QUESTION 8
Which of the following is NOT an advantage of decentralization?
It is viewed more positively in U.S. political culture.
It results in increased organizational flexibility.
It is more responsive to the consumer.
All of the above are advantages of decentralization.
3 points
QUESTION 9
The chief objective of classical bureaucracy is to
Enhance internal control by means of structures that emphasize predictability
and accountability.
Adapt readily to changes in the environment.
Foster task and social cohesion.
None of the above.
3 points
QUESTION 10
In which type of organization is authority based more on professional norms and
standards rather than exclusively on organizational rank?
Matrix organization
Organic organization
Tall hierarchy
Professional bureaucracy
3 points
QUESTION 11
The theory that holds the assumption that people hate work and do all they can to
avoid it is called
Path goal theory.
Hierarchy of needs.
Theory X.
Theory Y.
3 points
QUESTION 12
Material and non-monetary incentives for workers such as pay, fringe benefits,
health insurance, pension, use of company vehicles, day care for children and
health club members are examples of
Intrinsic rewards.
Extrinsic rewards.
Self-esteem rewards.
Safety and security needs.
3 points
QUESTION 13
The group-decision technique designed to reduce or eliminate groupthink that
involves the use of written questionnaires and anonymity is called
The Delphi Method.
The Abilene Paradox.
Nominal Group Technique
Mixed scanning.
3 points
QUESTION 14
Which of the following is an accurate statement about cultural change in public
organizations?
People in organizations seldom enthusiastically welcome change.
Strong leadership is required in order to effect permanent change.
Changing organizations requires considerable resources to be successful.
All of the above are accurate statements about cultural change in public
organizations.
3 points
QUESTION 15
The group-decision technique designed to reduce or eliminate groupthink that
involves face-to-face meetings where participants write down solutions to a problem is called
The Delphi Method.
The Abilene Paradox.
Nominal Group Technique.
Mixed scanning.
3 points
QUESTION 16
Which of the following is T.
Question 6 Project Communications ManagementPart A) A project man.pdfalamshoes001
Question 6 Project Communications Management:
Part A) A project manager (PM) should focus on actively managing stakeholders’ expectations.
This includes addressing concerns that have not yet become issues and clarifying issues that have
been identified. In order to be successful at these tasks, the PM needs to develop interpersonal
and management skills. Several important interpersonal skills for a PM are the ability to build
trust, resolve conflicts, and overcome resistance to change. Management skills include
presentation/public speaking, negotiating, and writing. Pick one of these critical interpersonal or
management skills and discuss your personal experience(s) with this skill. Then explain this skill
to the class as if you were trying to assist a colleague in better developing that skill.
Part B) Reporting performance is an essential part of project communications management.
Project managers spend a significant amount of time creating various types of reports. The most
obvious forms of reporting are reporting on status, current performance, work to be completed,
and approved changes. Based on your experience or cases in the literature, characterize the types
of reporting that are required of project managers, the content of such reports, and the frequency
of the reports.
Solution
Part A) Let us Pick Negotiating skill from Management skills. Let us know briefly about
negotiation before knowing further.
Negotiation is a strategic discussion that resolves an issue in a way that both parties find
acceptable. In a negotiation, each party tries to persuade the other to agree with his or her point
of view. Negotiation is essential to healthy professional relationships. Learning how to merge the
wants and needs of the group and build mutually viable solutions is key to a healthy, happy work
life.
Personal experience with Negotiation skills:
1) Preparing for the negotiation: Before you actually start any negotiation take a few moments or
a few weeks, depending on the importance and complexity of the negotiation, to prepare for the
negotiation session.
a. Separate facts from assumptions. I usuall try to Understand about the situation and what I
assume to be true.
b. Validate facts. Sometimes facts change. I will make sure information is current. If I can\'t do
this, I will consider the unverified facts to be assumptions
c. Validate assumptions. Assumptions should be validated by third party confirmation or simply
asking the other person if they are valid.
d. Test assumptions. Assumptions that can\'t be validated need to be tested or discarded.
Erroneous assumptions can impair an otherwise sound negotiating strategy. I will not set myself
up for failure relying on an invalidated assumption because I like it or it helps my case.
e. Adjust your strategies. Using the newly acquired information, I will make sure initial
strategies, objectives and goals are still appropriate. The new information can often change
strategies and on occasion can obviate .
Question 5The following stockholders’ equity accounts, arranged al.pdfalamshoes001
Question 5
The following stockholders’ equity accounts, arranged alphabetically, are in the ledger of
Eudaley Corporation at December 31, 2014.
Prepare the stockholders’ equity section of the balance sheet at December 31, 2014. (Enter the
account name only and do not provide the descriptive information provided in the
question.)Common Stock ($5 stated value)$1,693,500Paid-in Capital in Excess of
Par—Preferred Stock283,200Paid-in Capital in Excess of Stated Value—Common
Stock892,800Preferred Stock (8%, $103 par, noncumulative)473,800Retained
Earnings1,113,700Treasury Stock (11,500 common shares)138,000
Solution
Stockholders’ equity section of the balance sheet at December 31, 2014Account NameAmount in
$Retained Earnings1,113,700Common Stock1,693,500Paid-in Capital in Excess of Stated
Value—Common Stock892,800Paid-in Capital in Excess of Par—Preferred
Stock283,200Preferred Stock473,800Treasury Stock-138,000Total Stockholder\'s
equity4,319,000.
Question 6 Based on data from the National Center for Health Statis.pdfalamshoes001
Question 6: Based on data from the National Center for Health Statistics, N. Wetzel used
the Normal distribution to model the length of gestation for pregnant U.S. women (Chance,
2001). Gestation has a mean length of 280 days with a standard deviation of 20 days.
2
(a) Find the probability that the length of gestation is between 275.5 and 276.5 days.
(This estimate is the probability that a woman has her baby four days earlier than the
Solution
(a) P(275.5.
QUESTION 51. This bull reincarnation increased in popularity .pdfalamshoes001
QUESTION 5
1. This bull reincarnation increased in popularity during the Late and Ptolemaic Periods. Who
does it represent, how is its divinity signified, and what are traditional markings on this type of
statue?
See image
https://content.grantham.edu/at/AR310/ar310-quiz-8-q-5.png
Solution
Ceremonial burials of bulls indicate that ritual sacrifice was part of the worship of the early cow
deities and a bull might represent a king who became a deity after death.
It represents \"the renewal of the life\" of the Memphite god Ptah: but after death he became
Osorapis, i.e. the Osiris Apis, just as dead humans were assimilated to Osiris, the king of the
underworld. This Osorapis was identified with the Hellenistic Serapis, and may well be identical
with him. Greek writers make the Apis an incarnation of Osiris, ignoring the connection with
Ptah.
Apis was the most important of all the sacred animals in Egypt, and, as with the others, its
importance increased as time went on. Greek and Roman authors have much to say about Apis,
the marks by which the black bull-calf was recognized, the manner of his conception by a ray
from heaven, his house at Memphis with court for disporting himself, the mode of
prognostication from his actions, the mourning at his death, his costly burial, and the rejoicings
throughout the country when a new Apis was found. Auguste Mariette\'s excavation of the
Serapeum at Memphis revealed the tombs of over sixty animals, ranging from the time of
Amenophis III to that of Ptolemy Alexander. At first each animal was buried in a separate tomb
with a chapel built above it.
The bovines in the region in which Ptah was worshipped exhibited white patterning on their
mainly black bodies, and so a belief grew up that the Apis bull had to have a certain set of
markings suitable to its role. It was required to have a white triangle upon its forehead, a white
vulture wing outline on its back, a scarab mark under its tongue, a white crescent moon shape on
its right flank, and double hairs on its tail..
Question 4The news provided by the military to soldiers serving in.pdfalamshoes001
Question 4
The news provided by the military to soldiers serving in Vietnam was sometimes censored.
Thirsting for uncensored news and music, ambitious GIs put to use the abundance of available
communications equipment and became Vietnam\'s underground radio pirates. The pirate
stations used military communications equipment instead of commercial broadcast equipment to
pass along advice, information, and support not communicated by upper echelon military
personnel. Soldiers in the field could hear the broadcasts on their field radios. This would be an
example of a(n) ____ communication channel.
downward
upward
horizontal
formal
informala.
downwardb.
upwardc.
horizontald.
formale.
informal
Solution
e. Informal
As the cpmmunication channel used is the military communication equipment instead of
commercial broadcast equipment to pass along advice, information, and support not
communicated by upper echelon military personnel. Soldiers in the field could hear the
broadcasts on their field radios..
Question 1Not yet answeredMarked out of 1Flag question.pdfalamshoes001
Question 1
Not yet answered
Marked out of 1
Flag question
Solve the system x + 4y = 4, 3x - 5y = -5 by the substitution method or addition method.
Select one:
A. (1, 1)
B. (1, 0)
C. (0, 0)
D. (0, 1)
E. (4, 0)
Question 2
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Question text
Solve the system 3x + y = 13, 2x + 9y = -8 by the substitution method or addition method.
Select one:
A. (5, -2)
B. (5, 2)
C. (-5, -2)
D. (-5, 2)
E. (1, 10)
Question 3
Not yet answered
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Question text
Solve the system of equations x - y + z = 2, x + y + z = 0, x + y - z = -6.
Select one:
A. (3, -2, -1)
B. (-1, 3, -2)
C. (-2, 3, -1)
D. (-2, -1, 3)
E. (0, -1, 1)
Question 4
Not yet answered
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Question text
You invest a total of $200,000 for one year, part at 9% interest and part at 8% interest. The total
annual interest is $17,200. How much was invested at each interest rate?
Select one:
A. $80,000 at 9% and 120,000 at 8%
B. $100,000 at 9% and $100,000 at 8%
C. $120,000 at 9% and $80,000 at 8%
D. $90,000 at 9% and $110,000 at 8%
E. $115,000 at 9% and $85,000 at 8%
Question 1
Not yet answered
Marked out of 1
Flag question
Solve the system x + 4y = 4, 3x - 5y = -5 by the substitution method or addition method.
Select one:
A. (1, 1)
B. (1, 0)
C. (0, 0)
D. (0, 1)
E. (4, 0)
Question 1
Not yet answered
Marked out of 1
Flag question
Solve the system x + 4y = 4, 3x - 5y = -5 by the substitution method or addition method.
Select one:
A. (1, 1)
B. (1, 0)
C. (0, 0)
D. (0, 1)
E. (4, 0)
Question 1
Not yet answered
Marked out of 1
Flag question
Solve the system x + 4y = 4, 3x - 5y = -5 by the substitution method or addition method.
Select one:
A. (1, 1)
B. (1, 0)
C. (0, 0)
D. (0, 1)
E. (4, 0)
Not yet answered
Marked out of 1
Flag question
Solve the system x + 4y = 4, 3x - 5y = -5 by the substitution method or addition method.
Select one:
A. (1, 1)
B. (1, 0)
C. (0, 0)
D. (0, 1)
E. (4, 0)
Select one:
A. (1, 1)
B. (1, 0)
C. (0, 0)
D. (0, 1)
E. (4, 0)
A. (1, 1)
B. (1, 0)
C. (0, 0)
D. (0, 1)
E. (4, 0)
Question 2
Not yet answered
Marked out of 1
Flag question
Question text
Solve the system 3x + y = 13, 2x + 9y = -8 by the substitution method or addition method.
Select one:
A. (5, -2)
B. (5, 2)
C. (-5, -2)
D. (-5, 2)
E. (1, 10)
Question 2
Not yet answered
Marked out of 1
Flag question
Not yet answered
Marked out of 1
Flag question
Question text
Solve the system 3x + y = 13, 2x + 9y = -8 by the substitution method or addition method.
Select one:
A. (5, -2)
B. (5, 2)
C. (-5, -2)
D. (-5, 2)
E. (1, 10)
Question text
Solve the system 3x + y = 13, 2x + 9y = -8 by the substitution method or addition method.
Select one:
A. (5, -2)
B. (5, 2)
C. (-5, -2)
D. (-5, 2)
E. (1, 10)
Solve the system 3x + y = 13, 2x + 9y = -8 by the substitution method or addition method.
Select one:
A. (5, -2)
B. (5, 2)
C. (-5, -2)
D. (-5, 2)
E. (1, 10)
Select one:
A. (5, -2)
B. (5, 2)
C. (-5, -2)
D. (-5, 2)
E. (1, 10)
A. (5, -2)
B. (5, 2)
C. (-5, -2)
D. (-5, 2)
E. (1,.
QUESTION 41. At Edfu, the main cult center of the god _______.pdfalamshoes001
QUESTION 4
1. At Edfu, the main cult center of the god __________________, a living falcon was chosen
was the reincarnation and was the main statue of decoration.
Solution
Ans: Anubis
Anubis , the god associated with mummification and afterlife is the son of Set. He is portrayed as
a half human and half jackal.The most important presence of Anubis is during the weighing of
the heart of the departed, where the fate of souls is decided by weighing their heart against an
ostrich feather..
Question 4-10c) If an employer provides a scholarship to an employee.pdfalamshoes001
Question 4-10c) If an employer provides a scholarship to an employee who is on leave of
absence, is that scholarship taxable?
Solution
They are non taxable if scholarship paid to a student at an institute for the purpose of study and
the amount received is used for to pay for tuition and fees required for enrollment or attendance
at the educational institution, or for fees, books, supplies, and equipment required for courses at
the educational institution.
if scholarship is paid by an employer to an employee it will be included in the gross total income
and will be taxable.
Question 4 Please match the concept on the left with most appropri.pdfalamshoes001
Question 4
Please match the concept on the left with most appropriate term on the right
The flow and storage of goods, services, and related information from production to
consumption.
Read Answer Items for Question 4
Electronic exchange of information between customers and suppliers instead of paper
transactions.
Read Answer Items for Question 4
A statement of the time required on each resource needed to produce a product.
Read Answer Items for Question 4
Applied to any business situation, this answers two basic questions-when to order and how
many to order. In the supply chain, the question of \"where\" must also be answered.
Read Answer Items for Question 4
Inventory that consists of items consumed in the day-to-day activities of a business.
Read Answer Items for Question 4
Holding inventory received from suppliers in warehouses until it is needed by retailers.
Read Answer Items for Question 4
How often you must produce in order to meet demand.
Read Answer Items for Question 4
Anything that inhibits a system\'s progress toward its goals.
Read Answer Items for Question 4
The quantity produced at a work center before changing over to produce something else.
Read Answer Items for Question 4
A buffer of inventory that will keep a resource busy for a specified amount of time.
Read Answer Items for Question 4
The per cent of orders satisfied from existing inventory.
Read Answer Items for Question 4
Utilizes a combination whatever modes are best to move goods from origin to destination.
Read Answer Items for Question 4
An aggregate planning approach that uses inventory stored from period to period to reduce the
need to change the output rate as demand changes.
Read Answer Items for Question 4
Answer
A. Level production
B. Takt time
C. Electronic data interchange (EDI)
D. Consolidation warehousing
E. Inventory management
F. Constraint
G. Production batch
H. Integrated transport carrier
I. Logistics
J. Service level
K. Time buffer
L. Maintenance, repair, & operating inventory (MRO)
M. Bill of capacity
Solution
The flow and storage of goods, services, and related information from production to
consumption.- Logistics
Logistics is the management of flow of goods, services etc from the origin to the destinations.
Electronic exchange of information between customers and suppliers instead of paper
transactions.- Electronic Data Interchange
Electronic data exchange is defined as exchange of informations electronically.
A statement of the time required on each resource needed to produce a product.- Inventory
Statement
It is statement required everytime when the resource is needed to produce a product.
Applied to any business situation, this answers two basic questions-when to order and how
many to order. In the supply chain, the question of \"where\" must also be answered.-Production
Batch
Inventory that consists of items consumed in the day-to-day activities of a business-.Inventory
Management
Maintenance, Repair & Operating Inventory is the details of t.
Question 31Which statement does NOT provide an accurate characteri.pdfalamshoes001
Question 31
Which statement does NOT provide an accurate characterization of committees?
Managers are often assigned to numerous committees to improve coordination across
departments.
Committees can help managers whose units must work together to adjust schedules, workloads,
and work assignments in order to increase productivity.
Committees can be effective in communicating complex qualitative information.
Committees can become an effective personal mechanism for mutual adjustment across unit
heads.
Committees are generally inexpensive and have a very good reputation.
3 points
Question 32
A(n) _______ design the process of choosing and implementing a structural configuration for an
organization.
organic
simple
organizational
structural
complex
3 points
Question 33
__________ is the degree to which the authority to make decisions is delegated to lower levels in
an organization\'s hierarchy.
Span of control
Distribution
Decentralization
Centralization
Bureaucracy
3 points
Question 34
__________ deals with questions such as: What is the real mission? How do we contribute?
What are our goals? How do we reach our goals? What external forces are important? How do
we measure results? What do we do if specific targets are not met? How do we tell others how
good we are? When do we quit?
Systematic integration
External adaptation
Structural adaptation
Internal integration
Institutional adaptation
3 points
Question 35
__________ units are work groups that conduct the major business of the organization.
Boundary-spanning
Line
Specialty
Staff
Facilitator
3 points
Question 36
__________ set the tone for a culture and for cultural change.
Shareholders
Middle level managers
Competitors
Top managers
First-line supervisors
3 points
Question 37
Followers contribute to the leadership process by 1) granting claims to leaders and 2)
claiming their own roles as followers.
motivating their leaders.
acting on a leader\'s instructions.
getting to know their leaders.
granting leaders permission to lead.
3 points
Question 38
Jason is appointed to position of formal authority in his organization. Of the following, which is
expected to be exerted by Jason?
Followership
Formal leadership
Romance of leadership
Equivalence
Informal leadership
3 points
Question 39
The three technology classifications that were described by James D. Thompson are
__________.
straightforward, continuous, and high-intensity
intensive, continuous, and complex
intensive, mediating, and long-linked
sporadic, continuous, and high-intensity
small-batch, mass production, and continuous-process
3 points
Question 40
Which type of leadership occurs when leadership is divided so that no one person has unilateral
power to lead?
Formal leadership
Informal leadership
Co-leadership
Distributive leadership
Social leadership
3 points
Question 41
A dynamic, interactive influence process among team members working to achieve goals is
called:
Informal leadership
Co-leadership
Distributive leadership
Shared leadersh.
Question 2Marathon runner Mariah Li noticed the San Diego Zoo was .pdfalamshoes001
Question 2
Marathon runner Mariah Li noticed the San Diego Zoo was prohibiting people in motorized
wheelchairs from viewing the zoo\'s baby panda and saw nothing wrong with this policy. Tully
Smythe, who is wheelchair-bound, saw the notice and felt he was being discriminated against
because he could not use his wheelchair to access the panda site. This is an example of:
selective perception
kinesics
faulty closure
selective retention
defensive biasesa.
selective perceptionb.
kinesicsc.
faulty closured.
selective retentione.
defensive biases
Solution
a. Selective perception
The reason behind the same is the difference in perception between Marathon runner Mariah and
Tully Smythe. The former saw nothing wrong in the policy and the later found it as a
discrimination..
question 29E on chapter 2.6. Finding the vecolicy of the car. dont u.pdfalamshoes001
question 29E on chapter 2.6. Finding the vecolicy of the car. dont understand the first steps and
how they are getting their numbers. I just need it to be explained in a little bit more detail.
email: rmetz028@yahoo.com
Solution
You should post the actual question, we don\'t all have access to your textbook!.
Question 1Using this 2 x 2 table, determine which of the following.pdfalamshoes001
Question 1
Using this 2 x 2 table, determine which of the following is the correct odds ratio.
Exposure to variable
of interest Existence of Disease designated as case (yes disease) or control (no)
Case Control
Yes exposed 27 23 50
No not exposed 20 24 44
Total 47 47 94
Answer
3.4
.54
.96
1.4
Question 2
.
Which of the following statements about cumulative incidence and/or incidence density is true?
Answer
Incident density is also called the incidence rate.
Both the incidence density and the cumulative incidence use number of people at risk for disease
in the denominator, though their numerators are different.
The numerator for incidence density is calculated in person-years.
Cumulative incidence is usually larger than incidence density since the denominator is smaller.
1 points
Question 3
1.
Which of the following statements about prevalence and/or incidence is true?
Answer
You need to know the number of people at risk at the beginning of the year to calculate the
prevalence.
Incidence is based on a sample, while prevalence is based on a population.
Prevalence is an estimate of the true incidence of disease in a population.
You need to know the number of people at risk at the beginning of the year to calculate the
cumulative incidence for that year.
Question 4
Using this table, which of the following is the incidence density of whooping cough in year 2 in
the population that was sampled, given that there were 190 people at risk after year 1?
Number diagnosed When diagnosed Multiplier based on time of diagnosis Total Person-Years
2 1st quarter .25 .5
4 2nd quarter .50 2
3 3rd quarter .75 2.25
9 4.75
(Hint: Number left contributing 1 person year each is 190 ? 9 = 181)
Answer
.4%
4.8%
.5%
1.9%
Question 5
Using this 2 x 2 table, determine which of the following is the correct odds ratio.
Exposure to variable
of interest Existence of Disease designated as case (yes disease) or control (no)
Case Control
Yes exposed 34 29 63
No not exposed 31 36 67
Total 65 65 130
Answer
.8
1.4
3.8
.5
Question 6
Using these numbers, which of the following is the cumulative incidence in year 2 of flu in the
population that was sampled?
Year Number at Risk New Cases
1 250 34
2 250 47
Answer
14%
19%
16%
8%
Question 7
1.
Using these numbers, which of the following is the prevalence of smoking in the population that
was sampled?
Total number respondents: 80,000
Number of respondents who smoke: 14,243
Answer
.2
.17%
17%
7%
1 points
Question 8
1.
Which of the following statements about cumulative incidence and/or incidence density is true?
Answer
You cannot calculate either incidence density or cumulative incidence using a sample; you must
use the whole population.
Incidence density can be calculated using a sample but cumulative incidence cannot.
Both incidence density and cumulative incidence can be calculated using a sample of the
population.
Both types of incidence are parameters, whereas prevalence is a statistic.
1 points
Question 9
1.
Using this 2 x 2 table, determi.
QUESTION 1The financial manager is responsible for making decision.pdfalamshoes001
QUESTION 1
The financial manager is responsible for making decisions that are in the best interests of the
firm\'s owners.
True
False
3 points
QUESTION 2
The external auditors of the firm report their findings directly to the CFO of the firm.
True
False
3 points
QUESTION 3
The role of the financial system is to gather money from people, businesses and government that
have funds to invest and to channel that money to those who need it.
True
False
3 points
QUESTION 4
Brokers are market specialists who do not bear risk of ownership of securities.
True
False
3 points
QUESTION 5
Generally accepted accounting principles determine the rules for how a company can issue
stocks to raise money.
True
False
3 points
QUESTION 6
Cash flows from operating activities involve buying and selling of long-term assets.
True
False
3 points
QUESTION 7
Financial statement analysis can help us determine why a firm\'s cash flows are increasing or
decreasing.
True
False
3 points
QUESTION 8
Total asset turnover is more relevant for service-industry firms, while the fixed asset turnover
ratio is more relevant for manufacturing industry firms.
True
False
3 points
QUESTION 9
The value of a dollar invested at a positive interest rate grows over time but at a slower rate
further into the future.
True
False
3 points
QUESTION 10
Compounding is the process by which interest earned on an investment is reinvested so that in
future periods, interest is earned on the interest previously earned as well as the original
principal.
True
False
3 points
QUESTION 11
Calculating the present and future values of multiple cash flows is relevant only for individual
investors.
True
False
3 points
QUESTION 12
In an annuity due, cash flows occur at the beginning of each period.
True
False
3 points
QUESTION 13
The capital appreciation component of a stock\'s return considers the change in price of a stock
divided by the initial price of the stock.
True
False
3 points
QUESTION 14
The best measure of assessing a risk within an investment is its variance.
True
False
3 points
QUESTION 15
The cash remaining with the firm after paying its operating expenses, making payments to
creditors, and taxes is called:
earnings per share.
capital contributed in excess of par.
residual cash flows.
assets.
3 points
QUESTION 16
Which of the following organizational forms is subject to the Securities and Exchange
Commission (SEC) regulations?
Sole proprietorship
Partnership
Private corporation
Public corporation
3 points
QUESTION 17
Which of the following is primarily responsible for managing all aspects of a firm’s financial
side?
CFO
CEO
Board of directors
Audit committee
3 points
QUESTION 18
When analysts and investors determine the value of a firm\'s stock, they should consider:
the size of the expected cash flows associated with owning the stock.
the timing of the cash flows.
the riskiness of the cash flows.
all of the above.
3 points
QUESTION 19
Which of the following unconditional powers does the audit committe.
QUESTION 1The Fed has the most control overA. money mark.pdfalamshoes001
QUESTION 1
The Fed has the most control over
A. money market mutual funds.
B. the monetary base.
C. M2.
D. M1.
QUESTION 2
When banks borrow directly from the Fed, the interest rate on those loans is the
A. prime rate.
B. Federal Funds rate.
C. required reserve rate.
D. discount rate.
QUESTION 3
Moral hazard occurs when
A. financial institutions become insolvent because they issued too many loans.
B. there are more short-term liabilities than short-term assets.
C. financial institutions take on too much risk because they are insured.
D. the failure of one financial institution can bring down other institutions as well.
QUESTION 4
An increase in money growth will cause inflation to increase in
A. neither the short run nor the long run.
B. the short run only.
C. both the short run and the long run.
D. the long run only.
QUESTION 5
What is the purpose of the Fed\'s structure?
A. to make sure all states are given equal access to monetary policy decisions
B. to keep the power of the Fed dispersed
C. to keep the private sector out of the monetary policy making arena
D. to give the President of the United States as many tools as possible to regulate the economy
QUESTION 1
The Fed has the most control over
A. money market mutual funds.
B. the monetary base.
C. M2.
D. M1.
QUESTION 2
When banks borrow directly from the Fed, the interest rate on those loans is the
A. prime rate.
B. Federal Funds rate.
C. required reserve rate.
D. discount rate.
QUESTION 3
Moral hazard occurs when
A. financial institutions become insolvent because they issued too many loans.
B. there are more short-term liabilities than short-term assets.
C. financial institutions take on too much risk because they are insured.
D. the failure of one financial institution can bring down other institutions as well.
QUESTION 4
An increase in money growth will cause inflation to increase in
A. neither the short run nor the long run.
B. the short run only.
C. both the short run and the long run.
D. the long run only.
QUESTION 5
What is the purpose of the Fed\'s structure?
A. to make sure all states are given equal access to monetary policy decisions
B. to keep the power of the Fed dispersed
C. to keep the private sector out of the monetary policy making arena
D. to give the President of the United States as many tools as possible to regulate the economy
QUESTION 1
The Fed has the most control over
A. money market mutual funds.
B. the monetary base.
C. M2.
D. M1.
QUESTION 2
When banks borrow directly from the Fed, the interest rate on those loans is the
A. prime rate.
B. Federal Funds rate.
C. required reserve rate.
D. discount rate.
QUESTION 2
When banks borrow directly from the Fed, the interest rate on those loans is the
A. prime rate.
B. Federal Funds rate.
C. required reserve rate.
D. discount rate.
QUESTION 3
Moral hazard occurs when
A. financial institutions become insolvent because they issued too many loans.
B. there are more short-term liabilities than short-term assets.
C. financial .
Question 1Table Statistics for a Small EconomySTATISTICS .pdfalamshoes001
Question 1
Table: Statistics for a Small Economy
STATISTICS FOR A SMALL ECONOMY
Item
Value in dollars ($)
Cash held by public -7 million
Small-time deposits -30 million
Money market mutual funds -18 million
Checkable deposits -36 million
Currency & total reserves at the Fed -12 million
Large-time deposits -20 million
Demand deposits -14 million
Table: Statistics for a Small Economy) The table shows some statistics for a small economy.
Using only the information provided, M1 in this country amounts to
A. $43 million.
B. $48 million.
Question 2
Table: Statistics for a Small Economy
STATISTICS FOR A SMALL ECONOMY
Item
Value in dollars ($)
Cash held by public -7 million
Small-time deposits -30 million
Money market mutual funds -18 million
Checkable deposits -36 million
Currency & total reserves at the Fed -12 million
Large-time deposits -20 million
Demand deposits-14 million
(Table: Statistics for a Small Economy) The table shows some statistics for a small economy.
Using only the information provided, M2 in this country amounts to
A. $105 million.
B. $129 million.
Question 3
The Fed has the most control over
A. M2.
B. money market mutual funds.
C. the monetary base.
Question 4
What is the purpose of the Fed\'s structure?
A. to keep the private sector out of the monetary policy making arena
B. to keep the power of the Fed dispersed
Question 1
Table: Statistics for a Small Economy
STATISTICS FOR A SMALL ECONOMY
Item
Value in dollars ($)
Cash held by public -7 million
Small-time deposits -30 million
Money market mutual funds -18 million
Checkable deposits -36 million
Currency & total reserves at the Fed -12 million
Large-time deposits -20 million
Demand deposits -14 million
Table: Statistics for a Small Economy) The table shows some statistics for a small economy.
Using only the information provided, M1 in this country amounts to
A. $43 million.
B. $48 million.
Question 2
Table: Statistics for a Small Economy
STATISTICS FOR A SMALL ECONOMY
Item
Value in dollars ($)
Cash held by public -7 million
Small-time deposits -30 million
Money market mutual funds -18 million
Checkable deposits -36 million
Currency & total reserves at the Fed -12 million
Large-time deposits -20 million
Demand deposits-14 million
(Table: Statistics for a Small Economy) The table shows some statistics for a small economy.
Using only the information provided, M2 in this country amounts to
A. $105 million.
B. $129 million.
Question 3
The Fed has the most control over
A. M2.
B. money market mutual funds.
C. the monetary base.
Question 4
What is the purpose of the Fed\'s structure?
A. to keep the private sector out of the monetary policy making arena
B. to keep the power of the Fed dispersed
Question 1
Table: Statistics for a Small Economy
STATISTICS FOR A SMALL ECONOMY
Item
Value in dollars ($)
Cash held by public -7 million
Small-time deposits -30 million
Money market mutual funds -18 million
Checkable deposits -36 million
Currency & total reserves at the Fed -12 million
Large-tim.
Question 1Given the financial statements below for Firefly Enterpr.pdfalamshoes001
Question 1
Given the financial statements below for Firefly Enterprises, what is the external financing need
for a pro forma increase in sales of 16%? Enter your answer as the nearest whole (e.g., 123), but
do not include the $ sign.
Firefly Enterprises
Income Statement ($ Million)
2011
Sales
740
Cost of Goods Sold
452
Selling, General, & Admin Exp.
124
Depreciation
40
Earnings Before Interest & Taxes
124
Interest Expense
24
Taxable Income
100
Taxes at 40%
40
Net Income
60
Dividends
18
Addition to Retained Earnings
42
Balance Sheets as of 12-31
Assets
2010
2011
Cash
20
20
Account Receivable
102
110
Inventory
76
80
Total Current Assets
198
210
Net Fixed Assets
352
410
Total Assets
550
620
Liabilities and Owners Equity
2010
2011
Accounts Payable
62
70
Notes Payable
0
0
Total Current Liabilities
62
70
Long-Term Debt
280
300
Common Stock
34
34
Retained Earnings
174
216
Total Liab. and Owners Equity
550
620
Firefly Enterprises
Income Statement ($ Million)
2011
Sales
740
Cost of Goods Sold
452
Selling, General, & Admin Exp.
124
Depreciation
40
Earnings Before Interest & Taxes
124
Interest Expense
24
Taxable Income
100
Taxes at 40%
40
Net Income
60
Dividends
18
Addition to Retained Earnings
42
Balance Sheets as of 12-31
Assets
2010
2011
Cash
20
20
Account Receivable
102
110
Inventory
76
80
Total Current Assets
198
210
Net Fixed Assets
352
410
Total Assets
550
620
Liabilities and Owners Equity
2010
2011
Accounts Payable
62
70
Notes Payable
0
0
Total Current Liabilities
62
70
Long-Term Debt
280
300
Common Stock
34
34
Retained Earnings
174
216
Total Liab. and Owners Equity
550
620
Solution
Sales
858.40
Cost of goods sold
524.32
Selling, General, & Admin Exp.
143.84
Depreciation
40
EBIT
294.08
Interest expense
24
Taxable income
270.08
Taxes at 40%
108.032
Net income
162.048
Dividends
18
Addition to retained earnings
144.048
External finance required = total assets – liabilities- owners equity
Assets
Cash
23.2
Account receivable
118.32
Inventory
88.16
Total current assets
229.68
Net fixed assets
352
Total assets
581.68
Liabilities and owners equity
Account payable
71.92
Notes payable
0
Total current liabilities
71.92
Long term debt
280
Common stock
34
Retained earnings
144.048
External finance required
=581.68 – 529.968
=51.712
Assumption
Sales
858.40
Cost of goods sold
524.32
Selling, General, & Admin Exp.
143.84
Depreciation
40
EBIT
294.08
Interest expense
24
Taxable income
270.08
Taxes at 40%
108.032
Net income
162.048
Dividends
18
Addition to retained earnings
144.048
External finance required = total assets – liabilities- owners equity
Assets
Cash
23.2
Account receivable
118.32
Inventory
88.16
Total current assets
229.68
Net fixed assets
352
Total assets
581.68
Liabilities and owners equity
Account payable
71.92
Notes payable
0
Total current liabilities
71.92
Long term debt
280
Common stock
34
Retained earnings
144.048
External finance required
=581.68 – 529.968
=51.712.
Question 1A narrowly diverse culture is always desirable in organi.pdfalamshoes001
Question 1
A narrowly diverse culture is always desirable in organizations.
True
False
3 points
Question 2
The chain of command outlines the planned configuration of positions, job duties, and the lines
of authority among different parts of the organization.
True
False
3 points
Question 3
Implicit leadership theories describe how relationships initiate and develop through processes of
exchange and reciprocity.
True
False
3 points
Question 4
Rites are standardized and recurring activities used at special times to influence the behaviors
and understanding of organizational members; rituals are systems of rites.
True
False
3 points
Question 5
A socialized charismatic power orientation is a focus on power for collective (e.g., societal)
rather than personal benefit.
True
False
3 points
Question 6
Decentralization increases when the discretion to spend money, to hire people, and to make
similar decisions is moved farther up the hierarchy of authority.
True
False
3 points
Question 7
An adhocracy is characterized by few rules, policies, and procedures; substantial
decentralization; shared decision making among members; extreme horizontal specialization;
few levels of management; and virtually no formal controls.
True
False
3 points
Question 8
The strengths of the simple design are simplicity, flexibility, and responsiveness to the desires of
a central manager.
True
False
3 points
Question 9
Task-oriented behavior involves concern for relationships and socioemotional support.
True
False
3 points
Question 10
By linking values and actions, the organization taps into some of the strongest and deepest
realms of the individual.
True
False
Solution.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
Acetabularia Information For Class 9 .docxvaibhavrinwa19
Acetabularia acetabulum is a single-celled green alga that in its vegetative state is morphologically differentiated into a basal rhizoid and an axially elongated stalk, which bears whorls of branching hairs. The single diploid nucleus resides in the rhizoid.
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
Honest Reviews of Tim Han LMA Course Program.pptxtimhan337
Personal development courses are widely available today, with each one promising life-changing outcomes. Tim Han’s Life Mastery Achievers (LMA) Course has drawn a lot of interest. In addition to offering my frank assessment of Success Insider’s LMA Course, this piece examines the course’s effects via a variety of Tim Han LMA course reviews and Success Insider comments.
Question 13 of 251.0 PointsAccepted characters numbers, decimal p.pdf
1. Question 13 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A statistics professor has just given a final examination in his statistical inference course. He is
particularly interested in learning how his class of 40 students performed on this exam. The
scores are shown below.
77 81 74 77 79 73 80 85 86 73
83 84 81 73 75 91 76 77 95 76
90 85 92 84 81 64 75 90 78 7882 78 86 86
82 70 76 78 72 93
What is the mean score on this exam? Place your answer, rounded to two decimal places in the
blank. For example, 65.78 would be a legitimate entry.
Question 14 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
In February 2002 the Argentine peso lost 70% of its value compared to the United States dollar.
This devaluation drastically raised the price of imported products. According to a survey
conducted by AC Nielsen in April 2002, 68% of the consumers in Argentina were buying fewer
2. products than before the devaluation, 24% were buying the same number of products, and 8%
were buying more products. Furthermore, in a trend toward purchasing less-expensive brands,
88% indicated that they had changed the brands they purchased. Suppose the following complete
set of results were reported. Use the following data to answer this question.
Number of Products Purchased
Brands Purchased
Fewer
Same
More
Total
Same
10
14
24
48
Changed
262
82
8
352
Total
272
96
32
400
What is the probability that a consumer selected at random purchased fewer products than before
and changed brands? Place your answer, rounded to 4 decimal places, in the blank.
Question 15 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
3. stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A school determines that the number of children X in the families who attend the school follows
the distribution below:
Number of children X 1 2 3 4 5 Probability P(X) 0.20 0.35 0.25 0.15 0.05
What is the mean number of children per family? Round your answer to one decimal place as
necessary. For example, 4.5 would be a legitimate entry.
Question 16 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A probability experiment has two steps. There are two possible results for the first step, call
them "A" and "B". If the result for the first step was "A", then there would be 4 possible
results for the second step. If the result for the first step was "B", then there would be 16
possible results for the second step. How many possible outcomes are there for this
experiment? Place your answer in the blank. Do not use any decimal point or comma. For
example, 45 would be a legitimate entry.
Question 17 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A jar contains four white marbles, five red marbles, and six black marbles. If a marble was
4. selected at random, find the probability that it is white or black. Place your answer, rounded to 2
decimal places in the blank. For example 0.23 would be a legitimate entry.
Question 18 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A set of final exam scores in an organic chemistry course was found to be normally distributed,
with a mean of 73 and a standard deviation of 8.
What is the probability of getting a score between 65 and 89 on this exam? Place your answer,
rounded to 4 decimal places in the blank. For example, 0.3456 would be a legitimate entry.
Question 19 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A popular retail store knows that the purchase amounts by its customers is a random variable
that follows a normal distribution with a mean of $30 and a standard deviation of $9.
What are the two dollar amounts, equidistant from the mean of $30, such that 98% of all
customer purchases are between these values? Place your answers in the blanks provided. Do
not include a dollar sign. For example, 14.25 would be a legitimate entry.
Lower value
5. Upper value
Question 20 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
Suppose that the average weekly earnings for employees in general automotive repair shops is
$450, and that the standard deviation for the weekly earnings for such employees is $50. A
sample of 100 such employees is selected at random.
Find the mean of the sampling distribution of the means of average weekly earnings for samples
of size 100. Place your answer in the blank. Do not include a dollar sign. For example, 123
would be a legitimate entry.
Question 21 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A popular retail store knows that the purchase amounts by its customers is a random variable
that follows a normal distribution with a mean of $30 and a standard deviation of $9.
What are the two dollar amounts, equidistant from the mean of $30, such that 90% of all
customer purchases are between these values? Place your answers in the blanks provided. Do
not include a dollar sign. For example, 14.25 would be a legitimate entry.
Lower value
Upper value
Question 22 of 251.0 Points
6. Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The length of time to complete a door assembly on an automobile factory assembly line is
normally distributed with mean 6.7 minutes and standard deviation 2.2 minutes. For a door
selected at random, what is the probability the assembly line time will be between 5 and 10
minutes? Place your answer, rounded to 4 decimal places, in the blank. For example, 0.1776
would be a legitimate answer.
Question 23 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A popular retail store knows that the purchase amounts by its customers is a random variable
that follows a normal distribution with a mean of $30 and a standard deviation of $9.
What is the probability that a randomly selected customer will spend between $20 and $35 at
this store? Place your answer, rounded to 4 decimal places, in the blank. For example, 0.3456
would be a legitimate entry.
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
7. A statistics professor has just given a final examination in his statistical inference course. He is
particularly interested in learning how his class of 40 students performed on this exam. The
scores are shown below.
77 81 74 77 79 73 80 85 86 73
83 84 81 73 75 91 76 77 95 76
90 85 92 84 81 64 75 90 78 7882 78 86 86
82 70 76 78 72 93
What is the mean score on this exam? Place your answer, rounded to two decimal places in the
blank. For example, 65.78 would be a legitimate entry.
Question 14 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
In February 2002 the Argentine peso lost 70% of its value compared to the United States dollar.
This devaluation drastically raised the price of imported products. According to a survey
conducted by AC Nielsen in April 2002, 68% of the consumers in Argentina were buying fewer
products than before the devaluation, 24% were buying the same number of products, and 8%
were buying more products. Furthermore, in a trend toward purchasing less-expensive brands,
88% indicated that they had changed the brands they purchased. Suppose the following complete
set of results were reported. Use the following data to answer this question.
Number of Products Purchased
8. Brands Purchased
Fewer
Same
More
Total
Same
10
14
24
48
Changed
262
82
8
352
Total
272
96
32
400
What is the probability that a consumer selected at random purchased fewer products than before
and changed brands? Place your answer, rounded to 4 decimal places, in the blank.
Question 15 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A school determines that the number of children X in the families who attend the school follows
the distribution below:
Number of children X 1 2 3 4 5 Probability P(X) 0.20 0.35 0.25 0.15 0.05
What is the mean number of children per family? Round your answer to one decimal place as
9. necessary. For example, 4.5 would be a legitimate entry.
Question 16 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A probability experiment has two steps. There are two possible results for the first step, call
them "A" and "B". If the result for the first step was "A", then there would be 4 possible
results for the second step. If the result for the first step was "B", then there would be 16
possible results for the second step. How many possible outcomes are there for this
experiment? Place your answer in the blank. Do not use any decimal point or comma. For
example, 45 would be a legitimate entry.
Question 17 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A jar contains four white marbles, five red marbles, and six black marbles. If a marble was
selected at random, find the probability that it is white or black. Place your answer, rounded to 2
decimal places in the blank. For example 0.23 would be a legitimate entry.
Question 18 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
10. spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A set of final exam scores in an organic chemistry course was found to be normally distributed,
with a mean of 73 and a standard deviation of 8.
What is the probability of getting a score between 65 and 89 on this exam? Place your answer,
rounded to 4 decimal places in the blank. For example, 0.3456 would be a legitimate entry.
Question 19 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A popular retail store knows that the purchase amounts by its customers is a random variable
that follows a normal distribution with a mean of $30 and a standard deviation of $9.
What are the two dollar amounts, equidistant from the mean of $30, such that 98% of all
customer purchases are between these values? Place your answers in the blanks provided. Do
not include a dollar sign. For example, 14.25 would be a legitimate entry.
Lower value
Upper value
Question 20 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
11. Suppose that the average weekly earnings for employees in general automotive repair shops is
$450, and that the standard deviation for the weekly earnings for such employees is $50. A
sample of 100 such employees is selected at random.
Find the mean of the sampling distribution of the means of average weekly earnings for samples
of size 100. Place your answer in the blank. Do not include a dollar sign. For example, 123
would be a legitimate entry.
Question 21 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A popular retail store knows that the purchase amounts by its customers is a random variable
that follows a normal distribution with a mean of $30 and a standard deviation of $9.
What are the two dollar amounts, equidistant from the mean of $30, such that 90% of all
customer purchases are between these values? Place your answers in the blanks provided. Do
not include a dollar sign. For example, 14.25 would be a legitimate entry.
Lower value
Upper value
Question 22 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The length of time to complete a door assembly on an automobile factory assembly line is
12. normally distributed with mean 6.7 minutes and standard deviation 2.2 minutes. For a door
selected at random, what is the probability the assembly line time will be between 5 and 10
minutes? Place your answer, rounded to 4 decimal places, in the blank. For example, 0.1776
would be a legitimate answer.
Question 23 of 251.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A popular retail store knows that the purchase amounts by its customers is a random variable
that follows a normal distribution with a mean of $30 and a standard deviation of $9.
What is the probability that a randomly selected customer will spend between $20 and $35 at
this store? Place your answer, rounded to 4 decimal places, in the blank. For example, 0.3456
would be a legitimate entry.
A statistics professor has just given a final examination in his statistical inference course. He is
particularly interested in learning how his class of 40 students performed on this exam. The
scores are shown below.
77 81 74 77 79 73 80 85 86 73
83 84 81 73 75 91 76 77 95 76
90 85 92 84 81 64 75 90 78 78
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
13. In February 2002 the Argentine peso lost 70% of its value compared to the United States dollar.
This devaluation drastically raised the price of imported products. According to a survey
conducted by AC Nielsen in April 2002, 68% of the consumers in Argentina were buying fewer
products than before the devaluation, 24% were buying the same number of products, and 8%
were buying more products. Furthermore, in a trend toward purchasing less-expensive brands,
88% indicated that they had changed the brands they purchased. Suppose the following complete
set of results were reported. Use the following data to answer this question.
Number of Products Purchased
Brands Purchased
Fewer
Same
More
Total
Same
10
14
24
48
Changed
262
82
8
352
Total
272
96
32
400
What is the probability that a consumer selected at random purchased fewer products than before
and changed brands? Place your answer, rounded to 4 decimal places, in the blank.
14. In February 2002 the Argentine peso lost 70% of its value compared to the United States dollar.
This devaluation drastically raised the price of imported products. According to a survey
conducted by AC Nielsen in April 2002, 68% of the consumers in Argentina were buying fewer
products than before the devaluation, 24% were buying the same number of products, and 8%
were buying more products. Furthermore, in a trend toward purchasing less-expensive brands,
88% indicated that they had changed the brands they purchased. Suppose the following complete
set of results were reported. Use the following data to answer this question.
Number of Products Purchased
Brands Purchased
Fewer
Same
More
Total
Same
10
14
24
48
Changed
262
82
8
352
Total
272
96
32
400
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
15. For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A school determines that the number of children X in the families who attend the school follows
the distribution below:
Number of children X 1 2 3 4 5 Probability P(X) 0.20 0.35 0.25 0.15 0.05
What is the mean number of children per family? Round your answer to one decimal place as
necessary. For example, 4.5 would be a legitimate entry.
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A probability experiment has two steps. There are two possible results for the first step, call
them "A" and "B". If the result for the first step was "A", then there would be 4 possible
results for the second step. If the result for the first step was "B", then there would be 16
possible results for the second step. How many possible outcomes are there for this
experiment? Place your answer in the blank. Do not use any decimal point or comma. For
example, 45 would be a legitimate entry.
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A jar contains four white marbles, five red marbles, and six black marbles. If a marble was
selected at random, find the probability that it is white or black. Place your answer, rounded to 2
decimal places in the blank. For example 0.23 would be a legitimate entry.
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
16. For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A set of final exam scores in an organic chemistry course was found to be normally distributed,
with a mean of 73 and a standard deviation of 8.
What is the probability of getting a score between 65 and 89 on this exam? Place your answer,
rounded to 4 decimal places in the blank. For example, 0.3456 would be a legitimate entry.
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A popular retail store knows that the purchase amounts by its customers is a random variable
that follows a normal distribution with a mean of $30 and a standard deviation of $9.
What are the two dollar amounts, equidistant from the mean of $30, such that 98% of all
customer purchases are between these values? Place your answers in the blanks provided. Do
not include a dollar sign. For example, 14.25 would be a legitimate entry.
Lower value
Upper value
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
Suppose that the average weekly earnings for employees in general automotive repair shops is
17. $450, and that the standard deviation for the weekly earnings for such employees is $50. A
sample of 100 such employees is selected at random.
Find the mean of the sampling distribution of the means of average weekly earnings for samples
of size 100. Place your answer in the blank. Do not include a dollar sign. For example, 123
would be a legitimate entry.
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A popular retail store knows that the purchase amounts by its customers is a random variable
that follows a normal distribution with a mean of $30 and a standard deviation of $9.
What are the two dollar amounts, equidistant from the mean of $30, such that 90% of all
customer purchases are between these values? Place your answers in the blanks provided. Do
not include a dollar sign. For example, 14.25 would be a legitimate entry.
Lower value
Upper value
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
The length of time to complete a door assembly on an automobile factory assembly line is
normally distributed with mean 6.7 minutes and standard deviation 2.2 minutes. For a door
selected at random, what is the probability the assembly line time will be between 5 and 10
18. minutes? Place your answer, rounded to 4 decimal places, in the blank. For example, 0.1776
would be a legitimate answer.
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE:
For scientific notation, a period MUST be used as the decimal point marker.
Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly
stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.
A popular retail store knows that the purchase amounts by its customers is a random variable
that follows a normal distribution with a mean of $30 and a standard deviation of $9.
What is the probability that a randomly selected customer will spend between $20 and $35 at
this store? Place your answer, rounded to 4 decimal places, in the blank. For example, 0.3456
would be a legitimate entry.
Question 13 of 251.0 Points
Solution
Q 13.
Sum77817477797380858673785838481737591767795768119085928481647590787881782788
686827076787293803