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A) P(x<1) B) P(2 Solution Prob between x=a and x=b is the area under the density curve above x axis. The density curve has x intercept 4 and y intercept 0.5 Hence equation is x/4+y/0.5 =1 or x+8y = 4 WE are going to use that for finding this prob a) P(x<1) = Area between x=0 and x=1 When x=1 y = 3/8 Hence area of trapezium between 0 and 1 is 1/2(1/2+3/8) = 7/16 P(2.
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Explain why cholesterol needs to be transported in the blood in lipo.pdf
Do the data provide significant evidence at 3.5% level that population mean response after
attending the presentation is larger than 4.7
There are 258 students
Sample mean response 4.98
Sample standard deviation 1.62
Do the data provide significant evidence at 3.5% level that population mean response after
attending the presentation is larger than 4.7
There are 258 students
Sample mean response 4.98
Sample standard deviation 1.62
There are 258 students
Sample mean response 4.98
Sample standard deviation 1.62
Solution
Formulating the null and alternative hypotheses,
Ho: u <= 4.7
Ha: u > 4.7
As we can see, this is a right tailed test.
Thus, getting the critical z, as alpha = 0.035 ,
alpha = 0.035
zcrit = + 1.811910673
Getting the test statistic, as
X = sample mean = 4.98
uo = hypothesized mean = 4.7
n = sample size = 258
s = standard deviation = 1.62
Thus, z = (X - uo) * sqrt(n) / s = 2.776213551
Also, the p value is
p = 0.002749804
As z > 1.8119 (or, P < 0.035), we REJECT HO.
Thus, there is significant evidence that the population mean response after attending the
presentation is larger than 4.7. [CONCLUSION].
Archaeal vs. bacterial flagella Flagellar motility is widespread in .pdf
Answer the following multiple choice question and explain. B IS NOT THE ANSWER.
Numerical taxonomy for bacteria requires: (a) that the tests used have a clear positive or negative
outcome. (b) that the results can be compared to the results on the same lest for an organism
whose name is known, (c) that the shape and gram stain of the organisms is known, (d) that the
laboratory has access to instruments mat will allow rapid testing of multiple factors, A. B and D,
A, B. and C, B, C, and D.
Solution
Numerical taxonomy differentiates micro-organisms especially bacteria based on their
phenotypic characteristics (phenotypes means appearance of the organisms example include
gram stain reaction, shape and size of bacteria, if bacteria can propel, it\'s ability to grow in
presence or absence of oxygen, nutrient type used)
This correct option is therefore c) that the shape and gram stain of the organism is known..
Done Homework 4 e beaker in the illustration below contains two solut.pdf
Describe suitable compositions and heat treatments to manufacture the following
microstructures:
(i) 20wt% pearlite dispersed in a matrix of ferrite
(ii) 5wt% graphite dispersed in a matrix of pearlite.
Solution
(i) 20wt% pearlite dispersed in a matrix of ferrite:
For pearlite formation in ferrite we need to use hypoeutectoid steels.
Full Annealing:- It is a heat treatment used to produce soft, coarse pearlite in steels by
austenitizing & then furnace cooling. Cooling rates are slow to allow formation of pearlite in
matrix of ferrite. It is a process of slowly increasing the temperature nearly to 50 ºC above the
Austenitic temperature line A3 or line ACM in the case of Hypoeutectoid steels.
The temperature is kept constant for some time so that all the material to transform into
Austenite. I Then the material is slowly cooled at the rate of about 20 ºC/hr in a furnace to about
50 ºC into the Ferrite range. Cooling can also be done at room temperature air using natural
convection. The grain structure has coarse Pearlite with excess ferrite. The steel becomes soft
and ductile.
Normalizing:- It uses austenitizing and then air cooling which produces a fine pearlite structure.
The process involves increasing the temperature to nearly 60 º C above line A3 or line ACM in
the Austenite range. Its temperature is kept constant for some time to complete Austenite
conversion fully. It is then removed from the furnace and cooled at room temperature under
natural convection (air cooling). As a result we get grain structure of fine Pearlite with excess of
Ferrite. End material is much softer due to presence of pearlite.
(ii) 5wt% graphite dispersed in a matrix of pearlite:
For graphite to be dispersed in pearlite matrix we need to perform annealing (as mentioned
above) for Grey cast iron material. The cooling rate must be kept moderate to form pearlite
matrix..
ACTIVITY 1Match the level of measurement inSet Awith the measures .pdf
ACC Inter ch 14
8a)Ginobili Company has Total assets $36,438 Total Liabilities 29,505 Net income 4,286
Interest expense 819 Taxes 1,566 What is Ginobili\'s Times Interest Earned? (Round to 2
decimal places).
8b)Emma Company purchased a machine from Noah Corporation on October 31, 2016. In
payment for the $186,600 purchase, Emma issued a one-year installment note to be paid in equal
monthly payments of $16,606 at the end of each month. The payments include interest at an
annual rate of 12%.
After recording the November 30, 2016 payment, the balance in Notes Payable will be $_______
Solution
8a) Time interest earned = Earning before interest and tax/Interest exp
= 4286+819+1566/819
Time interest earned = 8.15 Times.
A preteenage boy is not interested in having sexual experiences. The .pdf
A preteenage boy is not interested in having sexual experiences. The most reasonable
explanation is that a. he feels threatened; he is denying his true feelings, possibly without
realizing what they are. b. he has probably had anxiety-producing experiences with sex and
wants to avoid any repetition of these experiences. c. his ideas and values make sexual
experiences seem wrong or inappropriate for him right now. d. his social or cultural background
has not yet fostered such interests. e. his biological immaturity means he has not yet experienced
the hormonal surge of puberty. Nine year old David is more aggressive in the classroom than is
Maria. His teacher should probably a. refer David to a therapist who can get him to talk about
his repressed urges. b. give him stars and privileges whenever he behaves appropriately. c. find
out why he is not concentrating on the material; to begin with, have his vision, hearing, and other
perceptual abilities tested. d. realize that David\'s past social interactions have not-challenged
him to develop certain social competencies. e. consider that boys are naturally somewhat more
aggressive than girls. Advertisers often incorporate \"babyishness\" in their promotional symbols
because a. most adults have hidden consummator urges stemming from their childhoods. b.
people are conditioned to act impulsively (and, perhaps, spend money) around children. c. they
are afraid of making their sales pitches too intellectually complex for the average consumer. d.
people in most cultures are socialized to respond favorably to babies.
Solution
3.The correct answer is :c.
Reason:This is according to cognitve theory where mind tell us not to do something.
4.The correct answer is :b.
Reason: This is according to learning theory that will help David to learn to give up his
aggressiveness.
5.The correct answer is :b
Reason:This is according to behaviorist theory where people behave to certain things in a
different way..
Cryptography question Suppose we select n = 707 in the coin-tossing .pdf
Consider a Z score of 1.36 taken from a standardized normal distibution. What proportion of the
distribution is LESS THAN this Z value?
Consider a Z score of 1.36 taken from a standardized normal distibution. What proportion of the
distribution is LESS THAN this Z value?
Solution
Given that Z<1.36.
From std normal distribution table P(Z<1.36) =0.9131
Hence as area corresponds to 1 in percent we write
91.31% are below z =1.36.
4. a Find the compact trigonometric Fourier series for the periodic s.pdf
4. a Find the compact trigonometric Fourier series for the periodic signal x() and sketch the
amplitude and phase spectrum for first 4 frequency components. By inspection of the spectra,
sketch the exponential Fourier spectra. for x(t) c) By inspection of spectra in part b), write the
exponential Fourier series (20 points) X(t) T/2 a/2 T/2
Solution
The Fourier series is a method of expressing most periodic, time-domain functions in the
frequency domain. The frequency domain representation appears graphically as a series of spikes
occurring at the fundamental frequency (determined by the period of the original function) and
its harmonics. The magnitudes of these spikes are the Fourier coefficients. This series of
components are called the wave spectrum. THE EXPONENTIAL FOURIER SERIES å ¥ =-¥ w
= n jn t n f t D e 0 ( ) where: D is the amplitude or coefficient n is the harmonic w0 is the radian
frequency [rad/s] w0/2p is the frequency [hertz] T0 = 2p/w0 is the period [sec.] ò - w = 0 0 ( ) 1
0 T jn t n f t e dt T D 0 0 0 D = C = a 0 0 2 T p w = The exponential form carries no more and no
less information than the other forms but is preferred because it requires less calculation to
determine and also involves simpler calculations in its use. One drawback is that the exponential
form is not as easy to visualize as trigonometric forms. THE TRIGONOMETRIC FOURIER
SERIES å ¥ = = + w + w 1 0 0 0 ( ) cos sin n n n f t a a n t b n t where: a is the amplitude or
coefficient n is the harmonic q is the phase w0 is the radian frequency [rad/s] w0/2p is the
frequency [hertz] T0 = 2p/w0 is the period [sec.] ò = 0 ( ) 1 0 0 T f t dt T a 0 0 2 T p w = n n T n
f t n t dt C T a = w = q ò ( ) cos cos 2 0 0 0 n n T n f t n t dt C T b = w = - q ò ( )sin sin 2 0 0 0
The Fourier series of an even periodic function will consist of cosine terms only and an odd
periodic function will consist of sine terms only.
Tom Penick tomzap@eden.com www.teicontrols.com/notes 2/5/2000 THE COMPACT
TRIGONOMETRIC FOURIER SERIES å ¥ = = + w + q 1 0 0 ( ) cos( ) n n n f t C C n t where:
C is the amplitude or coefficient n is the harmonic q is the phase w0 is the radian frequency
[rad/s] w0/2p is the frequency [hertz] T0 = 2p/w0 is the period [sec.] 2 2 Cn = an + bn 0 0 C = a
n n a , b : see above ÷ ÷ ø ö ç ç è æ - q = - n n n a 1 b tan 0 0 2 T p w = THE DIRICHLET
CONDITIONS WEAK DIRICHLET CONDITION - For the Fourier series to exist, the function
f(t) must be absolutely integrable over one period so that coefficients a0, an, and bn are finite.
This guarantees the existence of a Fourier series but the series may not converge at every point.
STRONG DIRICHLET CONDITIONS - For a convergent Fourier series, we must meet the
weak Dirichlet condition and f(t) must have only a finite number of maxima and minima in one
period. It is permissible to have a finite number of finite discontinuities in one period.
FREQUENCY SPECTRA AMPLITUDE SPECTRUM - The plot of amplitude Cn versus the
(radian) frequency.
1. True or False With a hard link, if you remove the source file, t.pdf
1. True or False: With a hard link, if you remove the source file, the link file will still have
access to the file contents.
2. The command
ln file1 file2
creates a(n):
directory
hard link
absolute path
symbolicA.
directoryB.
hard linkC.
absolute pathD.
symbolic
Solution
1) True : hardlink will still have the access to contents of file.It will be able to access until the
number of hardlinks to file doesnot become 0 and this functionality works because of inodes.
2) The command ln is used to make links between files or directories and the syntax provided
here will create a hard link which will be called file2 and it points to file1..
Recommended
Explain why cholesterol needs to be transported in the blood in lipo.pdf
Do the data provide significant evidence at 3.5% level that population mean response after
attending the presentation is larger than 4.7
There are 258 students
Sample mean response 4.98
Sample standard deviation 1.62
Do the data provide significant evidence at 3.5% level that population mean response after
attending the presentation is larger than 4.7
There are 258 students
Sample mean response 4.98
Sample standard deviation 1.62
There are 258 students
Sample mean response 4.98
Sample standard deviation 1.62
Solution
Formulating the null and alternative hypotheses,
Ho: u <= 4.7
Ha: u > 4.7
As we can see, this is a right tailed test.
Thus, getting the critical z, as alpha = 0.035 ,
alpha = 0.035
zcrit = + 1.811910673
Getting the test statistic, as
X = sample mean = 4.98
uo = hypothesized mean = 4.7
n = sample size = 258
s = standard deviation = 1.62
Thus, z = (X - uo) * sqrt(n) / s = 2.776213551
Also, the p value is
p = 0.002749804
As z > 1.8119 (or, P < 0.035), we REJECT HO.
Thus, there is significant evidence that the population mean response after attending the
presentation is larger than 4.7. [CONCLUSION].
Archaeal vs. bacterial flagella Flagellar motility is widespread in .pdf
Answer the following multiple choice question and explain. B IS NOT THE ANSWER.
Numerical taxonomy for bacteria requires: (a) that the tests used have a clear positive or negative
outcome. (b) that the results can be compared to the results on the same lest for an organism
whose name is known, (c) that the shape and gram stain of the organisms is known, (d) that the
laboratory has access to instruments mat will allow rapid testing of multiple factors, A. B and D,
A, B. and C, B, C, and D.
Solution
Numerical taxonomy differentiates micro-organisms especially bacteria based on their
phenotypic characteristics (phenotypes means appearance of the organisms example include
gram stain reaction, shape and size of bacteria, if bacteria can propel, it\'s ability to grow in
presence or absence of oxygen, nutrient type used)
This correct option is therefore c) that the shape and gram stain of the organism is known..
Done Homework 4 e beaker in the illustration below contains two solut.pdf
Describe suitable compositions and heat treatments to manufacture the following
microstructures:
(i) 20wt% pearlite dispersed in a matrix of ferrite
(ii) 5wt% graphite dispersed in a matrix of pearlite.
Solution
(i) 20wt% pearlite dispersed in a matrix of ferrite:
For pearlite formation in ferrite we need to use hypoeutectoid steels.
Full Annealing:- It is a heat treatment used to produce soft, coarse pearlite in steels by
austenitizing & then furnace cooling. Cooling rates are slow to allow formation of pearlite in
matrix of ferrite. It is a process of slowly increasing the temperature nearly to 50 ºC above the
Austenitic temperature line A3 or line ACM in the case of Hypoeutectoid steels.
The temperature is kept constant for some time so that all the material to transform into
Austenite. I Then the material is slowly cooled at the rate of about 20 ºC/hr in a furnace to about
50 ºC into the Ferrite range. Cooling can also be done at room temperature air using natural
convection. The grain structure has coarse Pearlite with excess ferrite. The steel becomes soft
and ductile.
Normalizing:- It uses austenitizing and then air cooling which produces a fine pearlite structure.
The process involves increasing the temperature to nearly 60 º C above line A3 or line ACM in
the Austenite range. Its temperature is kept constant for some time to complete Austenite
conversion fully. It is then removed from the furnace and cooled at room temperature under
natural convection (air cooling). As a result we get grain structure of fine Pearlite with excess of
Ferrite. End material is much softer due to presence of pearlite.
(ii) 5wt% graphite dispersed in a matrix of pearlite:
For graphite to be dispersed in pearlite matrix we need to perform annealing (as mentioned
above) for Grey cast iron material. The cooling rate must be kept moderate to form pearlite
matrix..
ACTIVITY 1Match the level of measurement inSet Awith the measures .pdf
ACC Inter ch 14
8a)Ginobili Company has Total assets $36,438 Total Liabilities 29,505 Net income 4,286
Interest expense 819 Taxes 1,566 What is Ginobili\'s Times Interest Earned? (Round to 2
decimal places).
8b)Emma Company purchased a machine from Noah Corporation on October 31, 2016. In
payment for the $186,600 purchase, Emma issued a one-year installment note to be paid in equal
monthly payments of $16,606 at the end of each month. The payments include interest at an
annual rate of 12%.
After recording the November 30, 2016 payment, the balance in Notes Payable will be $_______
Solution
8a) Time interest earned = Earning before interest and tax/Interest exp
= 4286+819+1566/819
Time interest earned = 8.15 Times.
A preteenage boy is not interested in having sexual experiences. The .pdf
A preteenage boy is not interested in having sexual experiences. The most reasonable
explanation is that a. he feels threatened; he is denying his true feelings, possibly without
realizing what they are. b. he has probably had anxiety-producing experiences with sex and
wants to avoid any repetition of these experiences. c. his ideas and values make sexual
experiences seem wrong or inappropriate for him right now. d. his social or cultural background
has not yet fostered such interests. e. his biological immaturity means he has not yet experienced
the hormonal surge of puberty. Nine year old David is more aggressive in the classroom than is
Maria. His teacher should probably a. refer David to a therapist who can get him to talk about
his repressed urges. b. give him stars and privileges whenever he behaves appropriately. c. find
out why he is not concentrating on the material; to begin with, have his vision, hearing, and other
perceptual abilities tested. d. realize that David\'s past social interactions have not-challenged
him to develop certain social competencies. e. consider that boys are naturally somewhat more
aggressive than girls. Advertisers often incorporate \"babyishness\" in their promotional symbols
because a. most adults have hidden consummator urges stemming from their childhoods. b.
people are conditioned to act impulsively (and, perhaps, spend money) around children. c. they
are afraid of making their sales pitches too intellectually complex for the average consumer. d.
people in most cultures are socialized to respond favorably to babies.
Solution
3.The correct answer is :c.
Reason:This is according to cognitve theory where mind tell us not to do something.
4.The correct answer is :b.
Reason: This is according to learning theory that will help David to learn to give up his
aggressiveness.
5.The correct answer is :b
Reason:This is according to behaviorist theory where people behave to certain things in a
different way..
Cryptography question Suppose we select n = 707 in the coin-tossing .pdf
Consider a Z score of 1.36 taken from a standardized normal distibution. What proportion of the
distribution is LESS THAN this Z value?
Consider a Z score of 1.36 taken from a standardized normal distibution. What proportion of the
distribution is LESS THAN this Z value?
Solution
Given that Z<1.36.
From std normal distribution table P(Z<1.36) =0.9131
Hence as area corresponds to 1 in percent we write
91.31% are below z =1.36.
4. a Find the compact trigonometric Fourier series for the periodic s.pdf
4. a Find the compact trigonometric Fourier series for the periodic signal x() and sketch the
amplitude and phase spectrum for first 4 frequency components. By inspection of the spectra,
sketch the exponential Fourier spectra. for x(t) c) By inspection of spectra in part b), write the
exponential Fourier series (20 points) X(t) T/2 a/2 T/2
Solution
The Fourier series is a method of expressing most periodic, time-domain functions in the
frequency domain. The frequency domain representation appears graphically as a series of spikes
occurring at the fundamental frequency (determined by the period of the original function) and
its harmonics. The magnitudes of these spikes are the Fourier coefficients. This series of
components are called the wave spectrum. THE EXPONENTIAL FOURIER SERIES å ¥ =-¥ w
= n jn t n f t D e 0 ( ) where: D is the amplitude or coefficient n is the harmonic w0 is the radian
frequency [rad/s] w0/2p is the frequency [hertz] T0 = 2p/w0 is the period [sec.] ò - w = 0 0 ( ) 1
0 T jn t n f t e dt T D 0 0 0 D = C = a 0 0 2 T p w = The exponential form carries no more and no
less information than the other forms but is preferred because it requires less calculation to
determine and also involves simpler calculations in its use. One drawback is that the exponential
form is not as easy to visualize as trigonometric forms. THE TRIGONOMETRIC FOURIER
SERIES å ¥ = = + w + w 1 0 0 0 ( ) cos sin n n n f t a a n t b n t where: a is the amplitude or
coefficient n is the harmonic q is the phase w0 is the radian frequency [rad/s] w0/2p is the
frequency [hertz] T0 = 2p/w0 is the period [sec.] ò = 0 ( ) 1 0 0 T f t dt T a 0 0 2 T p w = n n T n
f t n t dt C T a = w = q ò ( ) cos cos 2 0 0 0 n n T n f t n t dt C T b = w = - q ò ( )sin sin 2 0 0 0
The Fourier series of an even periodic function will consist of cosine terms only and an odd
periodic function will consist of sine terms only.
Tom Penick tomzap@eden.com www.teicontrols.com/notes 2/5/2000 THE COMPACT
TRIGONOMETRIC FOURIER SERIES å ¥ = = + w + q 1 0 0 ( ) cos( ) n n n f t C C n t where:
C is the amplitude or coefficient n is the harmonic q is the phase w0 is the radian frequency
[rad/s] w0/2p is the frequency [hertz] T0 = 2p/w0 is the period [sec.] 2 2 Cn = an + bn 0 0 C = a
n n a , b : see above ÷ ÷ ø ö ç ç è æ - q = - n n n a 1 b tan 0 0 2 T p w = THE DIRICHLET
CONDITIONS WEAK DIRICHLET CONDITION - For the Fourier series to exist, the function
f(t) must be absolutely integrable over one period so that coefficients a0, an, and bn are finite.
This guarantees the existence of a Fourier series but the series may not converge at every point.
STRONG DIRICHLET CONDITIONS - For a convergent Fourier series, we must meet the
weak Dirichlet condition and f(t) must have only a finite number of maxima and minima in one
period. It is permissible to have a finite number of finite discontinuities in one period.
FREQUENCY SPECTRA AMPLITUDE SPECTRUM - The plot of amplitude Cn versus the
(radian) frequency.
1. True or False With a hard link, if you remove the source file, t.pdf
1. True or False: With a hard link, if you remove the source file, the link file will still have
access to the file contents.
2. The command
ln file1 file2
creates a(n):
directory
hard link
absolute path
symbolicA.
directoryB.
hard linkC.
absolute pathD.
symbolic
Solution
1) True : hardlink will still have the access to contents of file.It will be able to access until the
number of hardlinks to file doesnot become 0 and this functionality works because of inodes.
2) The command ln is used to make links between files or directories and the syntax provided
here will create a hard link which will be called file2 and it points to file1..
A healthcare scenario with the following knowledge creation (one f.pdf
A healthcare scenario with the following knowledge creation (one for each)
1. Data/facts
2. Information
3. Knowledge
4. Wisdom
A healthcare scenario with the following knowledge creation (one for each)
1. Data/facts
2. Information
3. Knowledge
4. Wisdom
1. Data/facts
2. Information
3. Knowledge
4. Wisdom
Solution
Data is raw. It simply exists and has no significance beyond its existence (in and of itself).
It can exist in any form, usable or not. It does not have meaning of itself. In computer parlance, a
spreadsheet generally starts out by holding data.
information is data that has been given meaning by way of relational connection.
This \"meaning\" can be useful, but does not have to be. In computer parlance, a relational
database makes information from the data stored within it.
knowledge is the appropriate collection of information, such that it\'s intent is to be
useful. Knowledge is a deterministic process. When someone \"memorizes\" information (as
less-aspiring test-bound students often do), then they have amassed knowledge. This knowledge
has useful meaning to them, but it does not provide for, in and of itself, an integration such as
would infer further knowledge. For example, elementary school children memorize, or amass
knowledge of, the \"times table\". They can tell you that \"2 x 2 = 4\" because they have amassed
that knowledge (it being included in the times table). But when asked what is \"1267 x 300\",
they can not respond correctly because that entry is not in their times table. To correctly answer
such a question requires a true cognitive and analytical ability that is only encompassed in the
next level... understanding. In computer parlance, most of the applications we use (modeling,
simulation, etc.) exercise some type of stored knowledge.
wisdom is an extrapolative and non-deterministic, non-probabilistic process. It calls
upon all the previous levels of consciousness, and specifically upon special types of human
programming (moral, ethical codes, etc.). It beckons to give us understanding about which there
has previously been no understanding, and in doing so, goes far beyond understanding itself. It is
the essence of philosophical probing. Unlike the previous four levels, it asks questions to which
there is no (easily-achievable) answer, and in some cases, to which there can be no humanly-
known answer period. Wisdom is therefore, the process by which we also discern, or judge,
between right and wrong, good and bad. I personally believe that computers do not have, and
will never have the ability to posses wisdom. Wisdom is a uniquely human state, or as I see it,
wisdom requires one to have a soul, for it resides as much in the heart as in the mind. And a soul
is something machines will never possess. personally I contend that the sequence is a bit less
involved than described by Ackoff. The following diagram represents the
transitions from data, to information, to knowledge, and finally to wisdom, and it is
understand.
Choose the best answer for each question (12p nts) 1.1 The Ch.pdf
Calculate profit-maximizing price, quantity, and profits, assuming that it is legal/possible to
segregate the two groups of buyers. Consider a monopoly facing inverse demand function: p (y)-
16- y; and with total cost TC = 4y. Find optimal level of production and price. Illustrate optimal
choice in the graph, depicting Consumer, Producer Surplus and DWL (Dead Weight Loss). Find
the elasticity of the demand at the optimal point. Assume the market demand and supply for one
commodity are y = 1000 -5p y = 4p-80 respectively, among which p refers to the price, and y
refers to output level. the government imposes tax on such a commodity, $9 per unit. Solve for:
Solution.
Which of the following are absolute file paths, and which are relativ.pdf
Vandalay Industries is considering the purchase of a new machine for the production of latex.
Machine A costs $3,048,000 and will last for six years. Variable costs are 40 percent of sales,
and fixed costs are $195,000 per year. Machine B costs $5,229,000 and will last for nine years.
Variable costs for this machine are 35 percent of sales and fixed costs are $130,000 per year. The
sales for each machine will be $10.1 million per year. The required return is 11 percent, and the
tax rate is 30 percent. Both machines will be depreciated on a straight-line basis. The company
plans to replace the machine when it wears out on a perpetual basis.
Calculate the EAC for each machine. (Negative amounts should be indicated by a minus sign.Do
not round intermediate calculations and round your answers to 2 decimal places. (e.g., 32.16))
Vandalay Industries is considering the purchase of a new machine for the production of latex.
Machine A costs $3,048,000 and will last for six years. Variable costs are 40 percent of sales,
and fixed costs are $195,000 per year. Machine B costs $5,229,000 and will last for nine years.
Variable costs for this machine are 35 percent of sales and fixed costs are $130,000 per year.
The sales for each machine will be $10.1 million per year. The required return is 11 percent,
and the tax rate is 30 percent. Both machines will be depreciated on a straight-line basis. The
company plans to replace the machine when it wears out on a perpetual basis.
Solution
Machine A Machine B a Purchase Cost ($) 3,048,000
5,229,000 b Life of machines (years) 6 9 c
Variable Cost ($) 4,040,000 3,535,000 d Fixed cost ($)
195,000 130,000 e Running cost per year (c+d) 4,235,000
3,665,000 f PVAF (based on life and 11% discount factor) 4.231
5.537 g Present Value of Running cost of machine (e*f) 17,918,285
20,293,105 h Cash outflow of machines (a+g) 20,966,285 25,522,105 i
Equivalent Annual Cost (h/f) 4,955,397.07 4,609,374.21 We should choos
machine B, since it has lower EAC.
Why do you think many respiratory illnesses such as influenza and co.pdf
What is a router? Explain in minimum 5 paragraphs can use citations
What is a router? Explain in minimum 5 paragraphs can use citations
Solution
Router is a hardware device which is used to recieve packets from other network and also send
the packets to the other network and it is meant to be desingned to work like that. It is mainly
used to share internet to the multiple computers or users to surf the internet. By stepping in to the
latest technologies routers are enormously devoleping so in this context routers are evolved so
ther are two types of routers like wirless routers and connected routers. Connected routers are
used in between the computers and wireless are used to the laptops and mobile phones also.
Routers use headers to forward the packets and use some protocols to transfer the data from
one network to the another network. There are many type of routers that are different in their
physical design some consists of antennas which is used to grab the perfect signal that is sharing
the packets very easily.
The main uses of the router are, These performs the protocol translation, Restricts broadcasts
to the lans, and it acts as a gateway, and calculate or analyse the path to transfer the data and do
more manipulations if any problem occurs in it.
The router mainly functions in the layer 3 even though it functions in all the other layers
basic layer is layer3 where it stands constantly for more period.if you are using a router, your
computer’s IP address is going to begin with either 198.168.0 or 10.0.0. This is because the
powers-that-be decided that those IP address would be reserved for local network use. so in this
way router plays a major role in transferring some important information and need to know the
importance of it..
Which of the following is true of the moss life cycle The male and .pdf
What are gene expression controls on the different levels of gene regulation in transcription,
translation and post translation?
Solution
Regulation of gene expression includes a wide range of mechanisms that are used by cells to
increase or decrease the production of specific gene products and is informally termed gene
regulation.
Transcriptional Control
During Transcriptional Control of Gene Expression transcription is initiated at the promoter
RNA polymerase must bind here to begin transcription
Transcriptional control allows variation in mRNA levels for specific enzymes. The cell avoids
the production of these enzymes by utilizing regulatory proteins that prevent RNA polymerase
from binding to a promoter.
Translational Control
It allows the cell to control the translation of an mRNA molecule that has already been
transcribed. Regulatory molecules can speed up mRNA degradation by ribonucleases.
Translation initiation can be altered. Translation proteins can be affected.
Post translation control
Post-translational control occurs when the cell controls the activity of an existing protein by
chemical modification. Post-translational control provides the most rapid response but is
energetically expensive.
When you look at the health care delivery system do you find other w.pdf
Using the 8-bit 2\'s complement binary number system, perform the following addition and
subtraction problems Clearly indicate how you checked for an overflow condition and the result
of that check.
Solution
2.
10100010 (16210)
+ 01111001 (12110)
100011011 (2710)
In the above addition there is a carry of 1. As you have only 8 bits, 162 + 121 = 283 which
requires a total of 9 bits cannot be stored here and an overflow occurs.
10100010 (16210)
- 01111001 (-12110)
Now converting 01111001 to 2\'s complement: 10000110 + 1 = 10000111. Now summation:
10100010
+ 10000111
= 100101001
In the above subtraction, there is a carry of 1, which can be ignored. And after ignoring the carry
bit, the value is: 00101001 = 4110..
what Is the purpose of heating the slide during the staining pro.pdf
USA Today (\"Hybrid Car Sales Rose 81% Last Year,\" April 25, 2005) reported the top five
states for sales of hybrid cars in 2004 as California, Virginia, Washington, Florida, and
Maryland. Suppose that each car in a sample of 2004 hybrid car sales is classified by state where
the sale took place. Sales from states other than the top five were excluded from the sample,
resulting in the accompanying table.
(The given observed counts are artificial, but they are consistent with hybrid sales figures given
in the article.)
The 2004 population estimates from the Census Bureau web site are given in the accompanying
table. The population proportion for each state was computed by dividing each state population
by the total population for all five states. Use the 2goodness-of-fit test and a significance level of
= 0.01
to test the hypothesis that hybrid sales for these five states are proportional to the 2004
population for these states.
Let p1, p2, p3, p4, and p5 be the actual population proportions of 2004 for the five states in the
following order: California, Virginia, Washington, Florida, Maryland.
State the null and alternative hypotheses.
Calculate the test statistic. (Round your answer to two decimal places.)
2 =
What is the P-value for the test? (Round your answer to four decimal places.)
P-value = StateObserved Frequency California 254Virginia 53 Washington 37Florida
34Maryland 34Total 412
Solution
A)
OPTION B:
H0: p1 = 0.495, p2 = 0.103, p3 = 0.085, p4 = 0.240, p5 = 0.077
Ha: H0 is not true. [ANSWER]
********************
b)
Doing an observed/expected value table,
O E (O - E)^2/E
254 203.94 12.28794547
53 42.436 2.629797719
37 35.02 0.111947459
34 98.88 42.57093851
34 31.724 0.163288866
Using chi^2 = Sum[(O - E)^2/E],
chi^2 = 57.76391803 [ANSWER, TEST STATISTIC]
*******************
c)
As df = a - 1,
a = 5
df = a - 1 = 4
Thus, the p value is
p = 8.5533*10^-12 = 0.0000 [ANSWER].
What is the main difference between the First and the Second generati.pdf
Two small insulating spheres with radius 9.00×102m are separated by a large center-to-center
distance of 0.485 m . One sphere is negatively charged, with net charge -1.90 C , and the other
sphere is positively charged, with net charge 4.10 C . The charge is uniformly distributed within
the volume of each sphere.
Part A
What is the magnitude E of the electric field midway between the spheres?
Take the permittivity of free space to be 0 = 8.85×1012 C2/(Nm2) .
Part B
What is the direction of the electric field midway between the spheres?
What is the direction of the electric field midway between the spheres?E = N/C
Solution
Sepoaration of the spheres r = 0.485 m, charge on first sphere q = -1.9* 10^-6 C
charge on second sphere q \' = 4.10 * 10^-6 C.
the magnitude E of the electric field midway between the spheres is
E = E \' + E \"
= Kq / ( r/ 2)^ 2 + Kq \' / ( r/ 2)^ 2
= 4K(q+q \') / ( r)^ 2
= 4*8.99*10^9 *[1.9* 10^-6 + 4.10 * 10^-6] / [ 0.485]^2
= 9.17e+5 N / C
b,
field lines are starting at positive charge and ending at negative charge.
so, the field is pointed toward the negative sphere..
What is concealed observation and what age the advantagesdisadvanta.pdf
True or False: To ethically advertise a school lottery scheme to try to raise money for the athletic
department, the organizer of the lottery needs to explicitly specify the probability of each of the
prizes in the lottery. true or false
Solution
True
To ethically advertise a school lottery scheme to try to raise money for the athletic department,
the organizer of the lottery needs to explicitly specify the probability of each of the prizes in the
lottery.
What is a router Explain in minimum 5 paragraphs can use citatio.pdf
Tournament System Axiom 1: Every game consists of two players. Axiom 2: For every distinct
pair of players, p and p, there is exactly one game. Axiom 3: There are exactly M players. a.
What are the undefined terms? b. How many games will there be? c. Is the system consistent?
(Show a model for M = 5. Explain what happens each time M increases by 1. 3 points.) d. Is the
system independent? (Your answer requires proof. 3 points.)
Solution
An axiomatic system is a list of undefined terms together with a list of statements (called
“axioms”) that
are presupposed to be “true.” A theorem is any statement that can be proven using logical
deduction
from the axioms.
a.Undefined terms: Games and players
b.Number of games: M-1 (as there are 1 less game than the number of player if they play each
other once)
c.Independence: An axiom is called independent if it cannot be proven from the other axioms. In
other words, the axiom “needs” to be there, since you can’t get it as a theorem if you leave it out.
How do you prove that
something can’t be proved? This relates to the area of mathematics known as logic.
d.Consistency:- If there is a model for an axiomatic system, then the system is called consistent.
Otherwise, the system is inconsistent. In order to prove that a system is consistent, all we need to
do is come up with a model:
a definition of the undefined terms where the axioms are all true. In order to prove that a system
is
inconsistent, we have to somehow prove that no such model exists
For M=5 there are exactly 4 games should be played. Hence there is consistency in the
system.Since this is a definition of the undefined terms where the axioms are all true.
This is the output of the command diff file1 file2 5,6c5 Lucy C.pdf
The force below shows a client sending an HTTP request to Google and receiving and
acknowledging the response. Fill in the sequence numbers (seqno) and ACK numbers (ackno).
Solution
When the sequence number of client is 1500, the acknowledgement number of the google\'s web
server\'s acknowledgement number must have been the same before it received the payload
shown in the diagram.
After the client sends the packets with seqno=1500, ackno=3500 with a payload of 300 bytes of
data, the server (Google\'s web server) acknowledges the payload received and increases its
acknowledgement number from 1500 to 1500+300 = 1800.
Also, its sequence number will be the same as the acknowledgement number of the client since
the client had acknowledged the last packet it received from the server. Therefore, S1 = 3500.
After the client receives 1400 bytes of data, its acknowledgement number increases by 1400.
Therefore A2 = 3500+1400 = 4900
Hence,
S1 = 3500
A1 = 1800
A2 = 4900.
The idea that some invasive grass species are ecosystem engineers, an.pdf
Suppose that you can reproduce a short-time physical or chemical event over and over again.
Discuss possible sources of errors associated with measuring the duration of the event using a
stopwatch. (\"Human error\" is not a source.) What effect do the sources of error have on the
data?
Solution
There can be various ways by which measurement of time using stopwatch may vary and how it
will affect the error.
1.there might be internal errors in the watch, which might delay or extend reading (technical
error). It may slow down the time or increase it and accordingly vary the data.
2. There might be error due to relativity, if object is moving at high speed. Again it may increase
or decrease the value depending on the condition..
The history of inmate healthcare dates back to 1970 when the Arkansa.pdf
Suppose that T is a topology on R that contains the set of all closed intervals. Prove that T is the
discrete topology on R.
Solution
Given:
T is a topology on R that contains the set of all closed intervals
Then for each xR,
[x,x]={x} is a closed interval. here definition of interval does not allow such degenerate
intervals,
then note that [x1,x][x,x+1]={x}. Thus, {x} is open for each xR.
From above way we say T is a discrete topology on R..
T F Residual plot examines linearity and constant variability of a li.pdf
Sampling Distribution
A national caterer determined that 87% of the people who sampled their food said it was
delicious. A random sample of 144 people is obtained from a population of 5000. The 144
people are asked to sample the caterer\'s food. If ^p is the sample for a proportion saying that the
food is delicious, what is the mean of the sampling distribution of ^p?
a. 0.42
b. 0.87
c. 0.19
d. 1.25
Solution
b. 0.87.
QUESTION 1All of the following are emerging infectious diseases, e.pdf
please answer all parts for thumbs up. one question with many parts. thank you.
Chapter 10: Round all numbers to two digits after the decimal point. (30pts.) Use the Data from
the Excel file (Chapter 10): Bears (measurements from anesthetized wild bears) to: 1. Create a
scatter plot showing the relationship between the two variables: Age (x) and Neck (y) 2. Write
up an analysis of all the information that you learn from the graph a) State the correlation
coefficient. Is there a significant correlation between the variable age and neck of a bear? (Why?
Compare r with the critical r value, Use significance level 0.05.). b) If there appear to be a
correlation, describe the correlation (direction, strength). c) What percentage of the variation in
neck can be explained by the linear relation to the age of a bear? 3. Answer all of the following
questions a) Based on your analysis in step 2, do you think it is possible to infer a bear\'s neck
from its age? Explain your answer. b) What is the regression equation? c) Using the relationships
from part b, determine the approximate age of a bear with the following neck: - 23 inches 7
inches S Is the second calculation meaningful? Why? d) Suppose you predict that the weight of
the neck is 25inches, and you latter find out that the neck of that bear is actually only 18 inches.
Give one possible reason that your prediction was incorrect. e) Using the relationships that you
calculated, determine the approximate neck of a bear with age 56 4. Using the relationship
between the age and the neck answer - age 101 the following questions: a) What does the slope
of the regression equation represent? b) What does the y-intercept represent? Is it meaningful?
Solution
here consider different ages, now,
perabola curve used now,
this method useful find out easy solution,
.
..
A one-year old child is discovered to have numerous bone fractures. S.pdf
A one-year old child is discovered to have numerous bone fractures. Social workers suspect
child abuse. What condition might lead to a false conclusion about this child? Explain what
causes this developmental disorder. How common is it?
Solution
Several fractures in various stages of healing of a child is not always a case of child abuse but it
may be a genetic disorder called osteogenesis imperfecta.
The disease follows autosomal dominant pattern of inheritance generally, But in some cases it
may follow autosomal recessive pattern of inheritance. There are eight recognized forms of
osteogenesis imperfecta.
Causes-- Mutations in the COL1A1 and COL1A2 genes causes the disease in 90% of cases.
CRTAP and P3H1 genes also cause osteogenesis imperfecta. These genes are responsible for
Type I collagen assembly. Type I collagen I required in formation and strengthening of
connective tissues, particularly bones. Due to the mutation collagen triple helix is denatured. As
a result the bones become fragile. Type I OI, which is a milder form, are characterized by bone
fractures during childhood and adolescence and this type occurs due to mutation in the COL1A1
gene. More severe forms of osteogenesis imperfecta (type II and type III) have no family history
and caused by sporadic mutations in the COL1A1 or COL1A2 gene.
More researches are still in progress to know more details (others genes that are involved,
alternative cause, treatment of the disease) about the disease.
Frequency—According to NIH report the disease is found in 6 to 7 per 100,000 people
worldwide. Types I and IV are the most common forms of osteogenesis imperfecta, affecting 4
to 5 per 100,000 people..
On a quiz that Im using to prepare for my test I made a 1.32 poin.pdf
Let (X, d) be a metric space. Show that every Cauchy sequence {x_n} X is bounded.
Solution
we need to prove that every cauchy sequence {xn} in metrix space {X,d} is bounded.
let assume that xn be a Cauchy sequence of (X, d)
hence we can say that by definition of cauchy sequence = 1
so we can say that there exists N such that,
d(xm , xn) < 1 for all m, n N
hence we can say that xn B(xN , 1) for all n N
now r = 1 + max{1, d(x1, xN), d(x2, xN), . . . , d(xN-1, xN)}
we can see that,
xn B(xN ; r) for all n
so we can say that xn is bounded..
NaD+ is a coenzyme for many enzymes involved in redox reactions. This.pdf
Jackson has the choice to invest in city of Mitchell bonds or Sundial, Inc. corporate bonds that
pay 10% interest. Jackson is a single taxpayer who earns $55,000 annually. Assume that the city
of Mitchell bonds and the Sundial, Inc. bonds have similar risk.
What interest rate would the city of Mitchell have to pay in order to make Jackson indifferent
between investing in the city of Mitchell and the Sundial, Inc. bonds for year 2017
Solution
Jackson\'s marginal tax rate is 25% After-tax rate of return for Sundial, Inc. bonds =
10%*(1-0.25) = 7.5% Cty of Mitchell muct pay 7.5% in order to make Jackson indifferent
between investing in both bonds.
Match the concept or assumption to the area of theory that covers it..pdf
In the two-month period June 1–July 31, 2011, Hess Corp. (HES) stock decreased from $80 to
$70 per share, and Exxon Mobil (XOM) stock decreased from $83 to $80 per share.† If you
invested a total of $21,490 in these stocks at the beginning of June and sold them for $20,500 at
the end of July, how many shares of each stock did you buy? HES shares XOM shares
Solution.
In hypothesis testing, do we always use ZERO for the difference of .pdf
I am struggling with creating the demand and supply curve into an equation. This problem
requires finding the equilibrium point, but deriving the equation, I go in circles. The given input
is Price: $330, 340, 350, 360, 370 ; Quantity demanded: 100 million, 90m,80,70,60; Quantity
supplied: 40Million, 60, 80, 100, 120. My approach for Demand is determine the price where
demand of zero = $330. (just by looking at chart); the slope is 1 (??.. change or price/change of
quantity). P = 330 - 1 Qd; this doesn\'t seem correct!
Supply= slope 1/2 or .5; P = 40 + .5Qs .. Then I solve for Qd=Qs.
Solution
As per the above demand and supply schedule and curve,
Equilibrium quantity = 80 million
Equilibrium price = $350
Demand equation will be:
Qd = a + bP
b=slope of demand curve = change in Q / change in P = (80-90)/(350-340) =-1
here, two points (340,90) and (350,80) is taken in to consideration
Qd = a-P
At, P= 100
Qd = 330
Thus
a = 330 + 100 = 430
Hence, demand equation is: Qd = 430 - P
Supply equation will be:
Qs= C+dP
d = change in quantity / change in price = (80-60)/(350-340) = 2
Qs = C+2P
At P= 350, Qs = 80
80 = C+2*350
C = -620
Thus, supply equation is : Qs = -620+2*P
Solving both equation will give equilibrium quantity and price as mentioned above.Price (in
$)Quantity Demanded (in Millions)Quantity Supplied (in
millions)33010040340906035080803607010037060120.
Introduction to AI for Nonprofits with Tapp Network
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.
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A healthcare scenario with the following knowledge creation (one f.pdf
A healthcare scenario with the following knowledge creation (one for each)
1. Data/facts
2. Information
3. Knowledge
4. Wisdom
A healthcare scenario with the following knowledge creation (one for each)
1. Data/facts
2. Information
3. Knowledge
4. Wisdom
1. Data/facts
2. Information
3. Knowledge
4. Wisdom
Solution
Data is raw. It simply exists and has no significance beyond its existence (in and of itself).
It can exist in any form, usable or not. It does not have meaning of itself. In computer parlance, a
spreadsheet generally starts out by holding data.
information is data that has been given meaning by way of relational connection.
This \"meaning\" can be useful, but does not have to be. In computer parlance, a relational
database makes information from the data stored within it.
knowledge is the appropriate collection of information, such that it\'s intent is to be
useful. Knowledge is a deterministic process. When someone \"memorizes\" information (as
less-aspiring test-bound students often do), then they have amassed knowledge. This knowledge
has useful meaning to them, but it does not provide for, in and of itself, an integration such as
would infer further knowledge. For example, elementary school children memorize, or amass
knowledge of, the \"times table\". They can tell you that \"2 x 2 = 4\" because they have amassed
that knowledge (it being included in the times table). But when asked what is \"1267 x 300\",
they can not respond correctly because that entry is not in their times table. To correctly answer
such a question requires a true cognitive and analytical ability that is only encompassed in the
next level... understanding. In computer parlance, most of the applications we use (modeling,
simulation, etc.) exercise some type of stored knowledge.
wisdom is an extrapolative and non-deterministic, non-probabilistic process. It calls
upon all the previous levels of consciousness, and specifically upon special types of human
programming (moral, ethical codes, etc.). It beckons to give us understanding about which there
has previously been no understanding, and in doing so, goes far beyond understanding itself. It is
the essence of philosophical probing. Unlike the previous four levels, it asks questions to which
there is no (easily-achievable) answer, and in some cases, to which there can be no humanly-
known answer period. Wisdom is therefore, the process by which we also discern, or judge,
between right and wrong, good and bad. I personally believe that computers do not have, and
will never have the ability to posses wisdom. Wisdom is a uniquely human state, or as I see it,
wisdom requires one to have a soul, for it resides as much in the heart as in the mind. And a soul
is something machines will never possess. personally I contend that the sequence is a bit less
involved than described by Ackoff. The following diagram represents the
transitions from data, to information, to knowledge, and finally to wisdom, and it is
understand.
Choose the best answer for each question (12p nts) 1.1 The Ch.pdf
Calculate profit-maximizing price, quantity, and profits, assuming that it is legal/possible to
segregate the two groups of buyers. Consider a monopoly facing inverse demand function: p (y)-
16- y; and with total cost TC = 4y. Find optimal level of production and price. Illustrate optimal
choice in the graph, depicting Consumer, Producer Surplus and DWL (Dead Weight Loss). Find
the elasticity of the demand at the optimal point. Assume the market demand and supply for one
commodity are y = 1000 -5p y = 4p-80 respectively, among which p refers to the price, and y
refers to output level. the government imposes tax on such a commodity, $9 per unit. Solve for:
Solution.
Which of the following are absolute file paths, and which are relativ.pdf
Vandalay Industries is considering the purchase of a new machine for the production of latex.
Machine A costs $3,048,000 and will last for six years. Variable costs are 40 percent of sales,
and fixed costs are $195,000 per year. Machine B costs $5,229,000 and will last for nine years.
Variable costs for this machine are 35 percent of sales and fixed costs are $130,000 per year. The
sales for each machine will be $10.1 million per year. The required return is 11 percent, and the
tax rate is 30 percent. Both machines will be depreciated on a straight-line basis. The company
plans to replace the machine when it wears out on a perpetual basis.
Calculate the EAC for each machine. (Negative amounts should be indicated by a minus sign.Do
not round intermediate calculations and round your answers to 2 decimal places. (e.g., 32.16))
Vandalay Industries is considering the purchase of a new machine for the production of latex.
Machine A costs $3,048,000 and will last for six years. Variable costs are 40 percent of sales,
and fixed costs are $195,000 per year. Machine B costs $5,229,000 and will last for nine years.
Variable costs for this machine are 35 percent of sales and fixed costs are $130,000 per year.
The sales for each machine will be $10.1 million per year. The required return is 11 percent,
and the tax rate is 30 percent. Both machines will be depreciated on a straight-line basis. The
company plans to replace the machine when it wears out on a perpetual basis.
Solution
Machine A Machine B a Purchase Cost ($) 3,048,000
5,229,000 b Life of machines (years) 6 9 c
Variable Cost ($) 4,040,000 3,535,000 d Fixed cost ($)
195,000 130,000 e Running cost per year (c+d) 4,235,000
3,665,000 f PVAF (based on life and 11% discount factor) 4.231
5.537 g Present Value of Running cost of machine (e*f) 17,918,285
20,293,105 h Cash outflow of machines (a+g) 20,966,285 25,522,105 i
Equivalent Annual Cost (h/f) 4,955,397.07 4,609,374.21 We should choos
machine B, since it has lower EAC.
Why do you think many respiratory illnesses such as influenza and co.pdf
What is a router? Explain in minimum 5 paragraphs can use citations
What is a router? Explain in minimum 5 paragraphs can use citations
Solution
Router is a hardware device which is used to recieve packets from other network and also send
the packets to the other network and it is meant to be desingned to work like that. It is mainly
used to share internet to the multiple computers or users to surf the internet. By stepping in to the
latest technologies routers are enormously devoleping so in this context routers are evolved so
ther are two types of routers like wirless routers and connected routers. Connected routers are
used in between the computers and wireless are used to the laptops and mobile phones also.
Routers use headers to forward the packets and use some protocols to transfer the data from
one network to the another network. There are many type of routers that are different in their
physical design some consists of antennas which is used to grab the perfect signal that is sharing
the packets very easily.
The main uses of the router are, These performs the protocol translation, Restricts broadcasts
to the lans, and it acts as a gateway, and calculate or analyse the path to transfer the data and do
more manipulations if any problem occurs in it.
The router mainly functions in the layer 3 even though it functions in all the other layers
basic layer is layer3 where it stands constantly for more period.if you are using a router, your
computer’s IP address is going to begin with either 198.168.0 or 10.0.0. This is because the
powers-that-be decided that those IP address would be reserved for local network use. so in this
way router plays a major role in transferring some important information and need to know the
importance of it..
Which of the following is true of the moss life cycle The male and .pdf
What are gene expression controls on the different levels of gene regulation in transcription,
translation and post translation?
Solution
Regulation of gene expression includes a wide range of mechanisms that are used by cells to
increase or decrease the production of specific gene products and is informally termed gene
regulation.
Transcriptional Control
During Transcriptional Control of Gene Expression transcription is initiated at the promoter
RNA polymerase must bind here to begin transcription
Transcriptional control allows variation in mRNA levels for specific enzymes. The cell avoids
the production of these enzymes by utilizing regulatory proteins that prevent RNA polymerase
from binding to a promoter.
Translational Control
It allows the cell to control the translation of an mRNA molecule that has already been
transcribed. Regulatory molecules can speed up mRNA degradation by ribonucleases.
Translation initiation can be altered. Translation proteins can be affected.
Post translation control
Post-translational control occurs when the cell controls the activity of an existing protein by
chemical modification. Post-translational control provides the most rapid response but is
energetically expensive.
When you look at the health care delivery system do you find other w.pdf
Using the 8-bit 2\'s complement binary number system, perform the following addition and
subtraction problems Clearly indicate how you checked for an overflow condition and the result
of that check.
Solution
2.
10100010 (16210)
+ 01111001 (12110)
100011011 (2710)
In the above addition there is a carry of 1. As you have only 8 bits, 162 + 121 = 283 which
requires a total of 9 bits cannot be stored here and an overflow occurs.
10100010 (16210)
- 01111001 (-12110)
Now converting 01111001 to 2\'s complement: 10000110 + 1 = 10000111. Now summation:
10100010
+ 10000111
= 100101001
In the above subtraction, there is a carry of 1, which can be ignored. And after ignoring the carry
bit, the value is: 00101001 = 4110..
what Is the purpose of heating the slide during the staining pro.pdf
USA Today (\"Hybrid Car Sales Rose 81% Last Year,\" April 25, 2005) reported the top five
states for sales of hybrid cars in 2004 as California, Virginia, Washington, Florida, and
Maryland. Suppose that each car in a sample of 2004 hybrid car sales is classified by state where
the sale took place. Sales from states other than the top five were excluded from the sample,
resulting in the accompanying table.
(The given observed counts are artificial, but they are consistent with hybrid sales figures given
in the article.)
The 2004 population estimates from the Census Bureau web site are given in the accompanying
table. The population proportion for each state was computed by dividing each state population
by the total population for all five states. Use the 2goodness-of-fit test and a significance level of
= 0.01
to test the hypothesis that hybrid sales for these five states are proportional to the 2004
population for these states.
Let p1, p2, p3, p4, and p5 be the actual population proportions of 2004 for the five states in the
following order: California, Virginia, Washington, Florida, Maryland.
State the null and alternative hypotheses.
Calculate the test statistic. (Round your answer to two decimal places.)
2 =
What is the P-value for the test? (Round your answer to four decimal places.)
P-value = StateObserved Frequency California 254Virginia 53 Washington 37Florida
34Maryland 34Total 412
Solution
A)
OPTION B:
H0: p1 = 0.495, p2 = 0.103, p3 = 0.085, p4 = 0.240, p5 = 0.077
Ha: H0 is not true. [ANSWER]
********************
b)
Doing an observed/expected value table,
O E (O - E)^2/E
254 203.94 12.28794547
53 42.436 2.629797719
37 35.02 0.111947459
34 98.88 42.57093851
34 31.724 0.163288866
Using chi^2 = Sum[(O - E)^2/E],
chi^2 = 57.76391803 [ANSWER, TEST STATISTIC]
*******************
c)
As df = a - 1,
a = 5
df = a - 1 = 4
Thus, the p value is
p = 8.5533*10^-12 = 0.0000 [ANSWER].
What is the main difference between the First and the Second generati.pdf
Two small insulating spheres with radius 9.00×102m are separated by a large center-to-center
distance of 0.485 m . One sphere is negatively charged, with net charge -1.90 C , and the other
sphere is positively charged, with net charge 4.10 C . The charge is uniformly distributed within
the volume of each sphere.
Part A
What is the magnitude E of the electric field midway between the spheres?
Take the permittivity of free space to be 0 = 8.85×1012 C2/(Nm2) .
Part B
What is the direction of the electric field midway between the spheres?
What is the direction of the electric field midway between the spheres?E = N/C
Solution
Sepoaration of the spheres r = 0.485 m, charge on first sphere q = -1.9* 10^-6 C
charge on second sphere q \' = 4.10 * 10^-6 C.
the magnitude E of the electric field midway between the spheres is
E = E \' + E \"
= Kq / ( r/ 2)^ 2 + Kq \' / ( r/ 2)^ 2
= 4K(q+q \') / ( r)^ 2
= 4*8.99*10^9 *[1.9* 10^-6 + 4.10 * 10^-6] / [ 0.485]^2
= 9.17e+5 N / C
b,
field lines are starting at positive charge and ending at negative charge.
so, the field is pointed toward the negative sphere..
What is concealed observation and what age the advantagesdisadvanta.pdf
True or False: To ethically advertise a school lottery scheme to try to raise money for the athletic
department, the organizer of the lottery needs to explicitly specify the probability of each of the
prizes in the lottery. true or false
Solution
True
To ethically advertise a school lottery scheme to try to raise money for the athletic department,
the organizer of the lottery needs to explicitly specify the probability of each of the prizes in the
lottery.
What is a router Explain in minimum 5 paragraphs can use citatio.pdf
Tournament System Axiom 1: Every game consists of two players. Axiom 2: For every distinct
pair of players, p and p, there is exactly one game. Axiom 3: There are exactly M players. a.
What are the undefined terms? b. How many games will there be? c. Is the system consistent?
(Show a model for M = 5. Explain what happens each time M increases by 1. 3 points.) d. Is the
system independent? (Your answer requires proof. 3 points.)
Solution
An axiomatic system is a list of undefined terms together with a list of statements (called
“axioms”) that
are presupposed to be “true.” A theorem is any statement that can be proven using logical
deduction
from the axioms.
a.Undefined terms: Games and players
b.Number of games: M-1 (as there are 1 less game than the number of player if they play each
other once)
c.Independence: An axiom is called independent if it cannot be proven from the other axioms. In
other words, the axiom “needs” to be there, since you can’t get it as a theorem if you leave it out.
How do you prove that
something can’t be proved? This relates to the area of mathematics known as logic.
d.Consistency:- If there is a model for an axiomatic system, then the system is called consistent.
Otherwise, the system is inconsistent. In order to prove that a system is consistent, all we need to
do is come up with a model:
a definition of the undefined terms where the axioms are all true. In order to prove that a system
is
inconsistent, we have to somehow prove that no such model exists
For M=5 there are exactly 4 games should be played. Hence there is consistency in the
system.Since this is a definition of the undefined terms where the axioms are all true.
This is the output of the command diff file1 file2 5,6c5 Lucy C.pdf
The force below shows a client sending an HTTP request to Google and receiving and
acknowledging the response. Fill in the sequence numbers (seqno) and ACK numbers (ackno).
Solution
When the sequence number of client is 1500, the acknowledgement number of the google\'s web
server\'s acknowledgement number must have been the same before it received the payload
shown in the diagram.
After the client sends the packets with seqno=1500, ackno=3500 with a payload of 300 bytes of
data, the server (Google\'s web server) acknowledges the payload received and increases its
acknowledgement number from 1500 to 1500+300 = 1800.
Also, its sequence number will be the same as the acknowledgement number of the client since
the client had acknowledged the last packet it received from the server. Therefore, S1 = 3500.
After the client receives 1400 bytes of data, its acknowledgement number increases by 1400.
Therefore A2 = 3500+1400 = 4900
Hence,
S1 = 3500
A1 = 1800
A2 = 4900.
The idea that some invasive grass species are ecosystem engineers, an.pdf
Suppose that you can reproduce a short-time physical or chemical event over and over again.
Discuss possible sources of errors associated with measuring the duration of the event using a
stopwatch. (\"Human error\" is not a source.) What effect do the sources of error have on the
data?
Solution
There can be various ways by which measurement of time using stopwatch may vary and how it
will affect the error.
1.there might be internal errors in the watch, which might delay or extend reading (technical
error). It may slow down the time or increase it and accordingly vary the data.
2. There might be error due to relativity, if object is moving at high speed. Again it may increase
or decrease the value depending on the condition..
The history of inmate healthcare dates back to 1970 when the Arkansa.pdf
Suppose that T is a topology on R that contains the set of all closed intervals. Prove that T is the
discrete topology on R.
Solution
Given:
T is a topology on R that contains the set of all closed intervals
Then for each xR,
[x,x]={x} is a closed interval. here definition of interval does not allow such degenerate
intervals,
then note that [x1,x][x,x+1]={x}. Thus, {x} is open for each xR.
From above way we say T is a discrete topology on R..
T F Residual plot examines linearity and constant variability of a li.pdf
Sampling Distribution
A national caterer determined that 87% of the people who sampled their food said it was
delicious. A random sample of 144 people is obtained from a population of 5000. The 144
people are asked to sample the caterer\'s food. If ^p is the sample for a proportion saying that the
food is delicious, what is the mean of the sampling distribution of ^p?
a. 0.42
b. 0.87
c. 0.19
d. 1.25
Solution
b. 0.87.
QUESTION 1All of the following are emerging infectious diseases, e.pdf
please answer all parts for thumbs up. one question with many parts. thank you.
Chapter 10: Round all numbers to two digits after the decimal point. (30pts.) Use the Data from
the Excel file (Chapter 10): Bears (measurements from anesthetized wild bears) to: 1. Create a
scatter plot showing the relationship between the two variables: Age (x) and Neck (y) 2. Write
up an analysis of all the information that you learn from the graph a) State the correlation
coefficient. Is there a significant correlation between the variable age and neck of a bear? (Why?
Compare r with the critical r value, Use significance level 0.05.). b) If there appear to be a
correlation, describe the correlation (direction, strength). c) What percentage of the variation in
neck can be explained by the linear relation to the age of a bear? 3. Answer all of the following
questions a) Based on your analysis in step 2, do you think it is possible to infer a bear\'s neck
from its age? Explain your answer. b) What is the regression equation? c) Using the relationships
from part b, determine the approximate age of a bear with the following neck: - 23 inches 7
inches S Is the second calculation meaningful? Why? d) Suppose you predict that the weight of
the neck is 25inches, and you latter find out that the neck of that bear is actually only 18 inches.
Give one possible reason that your prediction was incorrect. e) Using the relationships that you
calculated, determine the approximate neck of a bear with age 56 4. Using the relationship
between the age and the neck answer - age 101 the following questions: a) What does the slope
of the regression equation represent? b) What does the y-intercept represent? Is it meaningful?
Solution
here consider different ages, now,
perabola curve used now,
this method useful find out easy solution,
.
..
A one-year old child is discovered to have numerous bone fractures. S.pdf
A one-year old child is discovered to have numerous bone fractures. Social workers suspect
child abuse. What condition might lead to a false conclusion about this child? Explain what
causes this developmental disorder. How common is it?
Solution
Several fractures in various stages of healing of a child is not always a case of child abuse but it
may be a genetic disorder called osteogenesis imperfecta.
The disease follows autosomal dominant pattern of inheritance generally, But in some cases it
may follow autosomal recessive pattern of inheritance. There are eight recognized forms of
osteogenesis imperfecta.
Causes-- Mutations in the COL1A1 and COL1A2 genes causes the disease in 90% of cases.
CRTAP and P3H1 genes also cause osteogenesis imperfecta. These genes are responsible for
Type I collagen assembly. Type I collagen I required in formation and strengthening of
connective tissues, particularly bones. Due to the mutation collagen triple helix is denatured. As
a result the bones become fragile. Type I OI, which is a milder form, are characterized by bone
fractures during childhood and adolescence and this type occurs due to mutation in the COL1A1
gene. More severe forms of osteogenesis imperfecta (type II and type III) have no family history
and caused by sporadic mutations in the COL1A1 or COL1A2 gene.
More researches are still in progress to know more details (others genes that are involved,
alternative cause, treatment of the disease) about the disease.
Frequency—According to NIH report the disease is found in 6 to 7 per 100,000 people
worldwide. Types I and IV are the most common forms of osteogenesis imperfecta, affecting 4
to 5 per 100,000 people..
On a quiz that Im using to prepare for my test I made a 1.32 poin.pdf
Let (X, d) be a metric space. Show that every Cauchy sequence {x_n} X is bounded.
Solution
we need to prove that every cauchy sequence {xn} in metrix space {X,d} is bounded.
let assume that xn be a Cauchy sequence of (X, d)
hence we can say that by definition of cauchy sequence = 1
so we can say that there exists N such that,
d(xm , xn) < 1 for all m, n N
hence we can say that xn B(xN , 1) for all n N
now r = 1 + max{1, d(x1, xN), d(x2, xN), . . . , d(xN-1, xN)}
we can see that,
xn B(xN ; r) for all n
so we can say that xn is bounded..
NaD+ is a coenzyme for many enzymes involved in redox reactions. This.pdf
Jackson has the choice to invest in city of Mitchell bonds or Sundial, Inc. corporate bonds that
pay 10% interest. Jackson is a single taxpayer who earns $55,000 annually. Assume that the city
of Mitchell bonds and the Sundial, Inc. bonds have similar risk.
What interest rate would the city of Mitchell have to pay in order to make Jackson indifferent
between investing in the city of Mitchell and the Sundial, Inc. bonds for year 2017
Solution
Jackson\'s marginal tax rate is 25% After-tax rate of return for Sundial, Inc. bonds =
10%*(1-0.25) = 7.5% Cty of Mitchell muct pay 7.5% in order to make Jackson indifferent
between investing in both bonds.
Match the concept or assumption to the area of theory that covers it..pdf
In the two-month period June 1–July 31, 2011, Hess Corp. (HES) stock decreased from $80 to
$70 per share, and Exxon Mobil (XOM) stock decreased from $83 to $80 per share.† If you
invested a total of $21,490 in these stocks at the beginning of June and sold them for $20,500 at
the end of July, how many shares of each stock did you buy? HES shares XOM shares
Solution.
In hypothesis testing, do we always use ZERO for the difference of .pdf
I am struggling with creating the demand and supply curve into an equation. This problem
requires finding the equilibrium point, but deriving the equation, I go in circles. The given input
is Price: $330, 340, 350, 360, 370 ; Quantity demanded: 100 million, 90m,80,70,60; Quantity
supplied: 40Million, 60, 80, 100, 120. My approach for Demand is determine the price where
demand of zero = $330. (just by looking at chart); the slope is 1 (??.. change or price/change of
quantity). P = 330 - 1 Qd; this doesn\'t seem correct!
Supply= slope 1/2 or .5; P = 40 + .5Qs .. Then I solve for Qd=Qs.
Solution
As per the above demand and supply schedule and curve,
Equilibrium quantity = 80 million
Equilibrium price = $350
Demand equation will be:
Qd = a + bP
b=slope of demand curve = change in Q / change in P = (80-90)/(350-340) =-1
here, two points (340,90) and (350,80) is taken in to consideration
Qd = a-P
At, P= 100
Qd = 330
Thus
a = 330 + 100 = 430
Hence, demand equation is: Qd = 430 - P
Supply equation will be:
Qs= C+dP
d = change in quantity / change in price = (80-60)/(350-340) = 2
Qs = C+2P
At P= 350, Qs = 80
80 = C+2*350
C = -620
Thus, supply equation is : Qs = -620+2*P
Solving both equation will give equilibrium quantity and price as mentioned above.Price (in
$)Quantity Demanded (in Millions)Quantity Supplied (in
millions)33010040340906035080803607010037060120.
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