What assumptions are made about the population from which indepen.pdf
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The t distribution is used to make inferences about differences in population means when the following assumptions are made: the parent populations are normally distributed, the population variances are equal but unknown, and the two random samples are independent of each other.
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What is the difference to be found between surface waters and the.pdf
What is the difference between the floor to ceiling height and the floor height?
Solution
The difference between the floor to ceiling height and floor height is that the floor to ceiling high
is measured from the floor to the underside of the roof, and floor height is measured from the
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sprinkler or a beam..
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What is the approximate probability that a Normal (0, 1) random variable falls within the
interval from -3 to 3?
A. 0.68
B. 0.95
C. 0.5
D. 0.997
Solution
Prob(-3< z < 3) = phi(3) - phi(-3) = phi(3) * 2 = 0.4987*2 = 0.9974 or 99.74 % So, the answer is
D.
Here, phi(a) = Prob(z.
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Solution
Answer 9-
Pavement bleeding in an Asphalt Mix Design Pavement -
A film of asphalt binder on the pavement surface. It usually creates a shiny, glass-like reflecting
surface that can become sticky when dry and slippery when wet. Bleeding occurs when asphalt
binder fills the aggregate voids during hot weather and then expands onto the pavement surface.
Since bleeding is not reversible during cold weather, asphalt binder will accumulate on the
pavement surface over time.
Aggregate Polishing - Areas of pavement (either PCC or HMA) where the portion of aggregate
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either very small or there are no rough or angular aggregate particles.The skid resistance of
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What is NOT true about a semiconductor at room temperature and in the dark? a. In a
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few electrons fill the conduction band. c. In a seminconductor electrons almostly completely fill
the valence band. d. The band gap of the semiconductor is within a range of 0.5 eV to 3eV.
Solution
When the semiconductor at room temperature and in the dark, some electrons in the valency
band should move to conduction band because of temperature difference.
So, the valence band cannot be completely fillled with electrons.
So, option A is not correct statement which is correct answer.
What is depreciation What is depreciation Solu.pdf
What is critical thinking
What is critical thinking
Solution
Answer:
Critical Thinking
-- Critical thinking is the discipline of rigorously and skillfully using information, experience,
observation and reasoning to guide your decisions, actions and beliefs.
--- Critical thinking involves asking the right kind of questions and goes so far as letting
members develop assumptions and analyze (either in groups or individually) those assumptions.
-- Critical thinking means questioning every step of your thinking process: like...
----------- Have you considered all the facts?
------------ Have you tested your assumptions?
--------- Is your reasoning sound?
------------- Is your thinking process logical, rational and complete?
By developing the skills of critical thinking, and bringing rigour and discipline to your thinking
processes, you stand a better chance of being “right” , likely to make good judgments, choices
and decisions in all areas of your life.
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What industry controlled California politics in the late 1800s and .pdf
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Solution
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organisms thus resulting in increase of BOD5.
The Ultimate BOD will not be affected as the oxygen demand depends on the organic matter
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Solution
Factors to be considered to budget for employee health insurance:
1) Mediclaim premium to be paid every year
2) Differrent plan that insurance companies are providing for a group insurnace policy.
3) Average Age of the employee in the company.
4) Other employee related cost.
5) Hiring plans of the company. employee strength on the payroll.
6) current and expected net profit of the company.
Reasons for companies to pay dividends are:
1) To have the benefit of tax
2) Dividends provide certainty about the company\'s financial well-being
3) Dividends are attractive for investors looking to secure current income.
4) Dividend affect the market price of the share in the stock exchange.
5) Companies that have a long-standing history of stable dividend payouts would be negatively
affected by lowering or omitting dividend distributions..
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What does a coefficient of correlation of 0.70 infer?
a)Almost no correlation because 0.70 is close to 1.0
b)70% of the variation in one variable is explained by the other
c)Coefficient of determination is 0.49
d)Coefficient of nondetermination is 0.30
**please explain choice, thanks!
Solution
ans) C The coefficient of correlation explains the strength of the LINEAR
relationship between two variables. The square of the correlation coefficient gives you the
coefficient of determination. (.7)^2 = .49 The coefficient of determination tells us how much of
the variance in the response variable can be explained by the predictor variable..
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Solution
The difference between the floor to ceiling height and floor height is that the floor to ceiling high
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What is the approximate probability that a Normal (0, 1) random variable falls within the
interval from -3 to 3?
A. 0.68
B. 0.95
C. 0.5
D. 0.997
Solution
Prob(-3< z < 3) = phi(3) - phi(-3) = phi(3) * 2 = 0.4987*2 = 0.9974 or 99.74 % So, the answer is
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What is Pavement Bleeding in an Asphalt Mix Design Pavement.? What is Aggregate Polishing
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the field?
Solution
Answer 9-
Pavement bleeding in an Asphalt Mix Design Pavement -
A film of asphalt binder on the pavement surface. It usually creates a shiny, glass-like reflecting
surface that can become sticky when dry and slippery when wet. Bleeding occurs when asphalt
binder fills the aggregate voids during hot weather and then expands onto the pavement surface.
Since bleeding is not reversible during cold weather, asphalt binder will accumulate on the
pavement surface over time.
Aggregate Polishing - Areas of pavement (either PCC or HMA) where the portion of aggregate
extending above the asphalt binder (in the case of HMA) or cement paste (in the case of PCC) is
either very small or there are no rough or angular aggregate particles.The skid resistance of
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What is NOT true about a semiconductor at room temperature and in the dark? a. In a
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few electrons fill the conduction band. c. In a seminconductor electrons almostly completely fill
the valence band. d. The band gap of the semiconductor is within a range of 0.5 eV to 3eV.
Solution
When the semiconductor at room temperature and in the dark, some electrons in the valency
band should move to conduction band because of temperature difference.
So, the valence band cannot be completely fillled with electrons.
So, option A is not correct statement which is correct answer.
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What is critical thinking
What is critical thinking
Solution
Answer:
Critical Thinking
-- Critical thinking is the discipline of rigorously and skillfully using information, experience,
observation and reasoning to guide your decisions, actions and beliefs.
--- Critical thinking involves asking the right kind of questions and goes so far as letting
members develop assumptions and analyze (either in groups or individually) those assumptions.
-- Critical thinking means questioning every step of your thinking process: like...
----------- Have you considered all the facts?
------------ Have you tested your assumptions?
--------- Is your reasoning sound?
------------- Is your thinking process logical, rational and complete?
By developing the skills of critical thinking, and bringing rigour and discipline to your thinking
processes, you stand a better chance of being “right” , likely to make good judgments, choices
and decisions in all areas of your life.
--- This is an important part of \"success\" and \"wisdom\".
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Solution
BOD will be higher at 25 degree celsius as higher temperature increases the activity of the micro
organisms thus resulting in increase of BOD5.
The Ultimate BOD will not be affected as the oxygen demand depends on the organic matter
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budget this expense line item? Why will companies with a history of paying dividends continue
to issue a dividend even if the company is losing money?
Solution
Factors to be considered to budget for employee health insurance:
1) Mediclaim premium to be paid every year
2) Differrent plan that insurance companies are providing for a group insurnace policy.
3) Average Age of the employee in the company.
4) Other employee related cost.
5) Hiring plans of the company. employee strength on the payroll.
6) current and expected net profit of the company.
Reasons for companies to pay dividends are:
1) To have the benefit of tax
2) Dividends provide certainty about the company\'s financial well-being
3) Dividends are attractive for investors looking to secure current income.
4) Dividend affect the market price of the share in the stock exchange.
5) Companies that have a long-standing history of stable dividend payouts would be negatively
affected by lowering or omitting dividend distributions..
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What does a coefficient of correlation of 0.70 infer?
a)Almost no correlation because 0.70 is close to 1.0
b)70% of the variation in one variable is explained by the other
c)Coefficient of determination is 0.49
d)Coefficient of nondetermination is 0.30
**please explain choice, thanks!
Solution
ans) C The coefficient of correlation explains the strength of the LINEAR
relationship between two variables. The square of the correlation coefficient gives you the
coefficient of determination. (.7)^2 = .49 The coefficient of determination tells us how much of
the variance in the response variable can be explained by the predictor variable..
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Solution
Geothermal heating heats the system by transferring heat from the ground to the system.
Geothermal cooling cools the system by transferring heat from the system to the ground.
Underground temperatures are constant ( do not vary much) with the seasons.
Geothermal works on the principle that the ground beneath is warmer then the outside air in the
winter and cooler than the outside air in the summer. Inserting some mechanism the heat can be
transferred to and from the home..
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What design variable was used before SRT? Define this term (conceptually). Why did SRT
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Solution
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by the mass of microbes in the reactor.Three major causes led to be the reason of replacement of
F/R Ratio by SRT which are :- 1) Increased oxygen transfer efficiency 2) Improved Biomass
Particle Size Distribution 3) Enhanced removal of many emerging contaminants such as
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because of a higher oxygen utilisation rate..
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Case 3 Case 4 Case 5 Which truss member is assigned to you? U13-L13 Compute the force
on the member assigned to you? Is the member in tension or compression? Tension
Compression
Solution
The i-35w Bridge failed due to gusset plate failure it happened like too thin gusset plates ripped
on the bolt line due to improper adequacy and design flaw.Due to heavy load it caused the
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Solution
Modernised satellites contain two new code sequences to provide ranging information: the
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What are the main elements of the land transportation and warehousing infrastructure? How
would the quality and dependability of these infrastructure affect an international shipment?
Solution
Without well developed transportation systems, logistics could not bring its advantages into full
play. Besides, a good transport system in logistics activities could provide better logistics
efficiency, reduce operation cost, and promote service quality. The improvement of
transportation systems needs the effort from both public and private sectors. A well-operated
logistics system could increase both the competitiveness of the government and enterprises
Elements of Land Transportation and Warehousing Infrastructure
1.) Legislation and regulatory frameworks for transport usually include a specific requirement
for vehicle safety. Most humanitarian organisations also lay down safety and security policies
that need to be followed. Requirements will include the vehicle weight, the way it is loaded and
how the load is distributed.
2.) Drivers and operators of vehicles are responsible for using a vehicle on the road with a safe
and secure load. Legislation will often state that, in transit, the drivers have full responsibility for
the safety of their load, even if they did not load it personally. Even if, in some countries, the
legislation is not implemented, respected or followed, every effort must be made to ensure that
the organisation.
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support your answer
Solution
Mean is the average value for example 7, 5 ,6 ,4 mean of these is equal to 7+5+6+4 divided by 4
which is 5.5 that is the average of 4 digits .
Mode.- A number the appears most often in a set of numbers for example 4 , 5 ,6 , 6 ,3 , 3 ,9,8 , 3
, 7 Mode is 3 because it appears most often in the upper set .
Median- The number that remains the middle number in both cases ( ascending and descendind
order) in a set of odd numbers for example 7,5,3,2,8 in ascending order 2,3,5,7,8 and in
descending order 8,7,5,3,2 the median is 5 .
It is very helpful in business in statistics I had worked as a Teacher and it was the most important
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What are the current asset financing strategies that firms adopt? Firms manage a variety of
current assets. Permanent current assets are needed for the firm to maintain its business, and they
will be carried even through downturns in business cycles. Temporary current assets fluctuate
reasonally or with business cycles. Each firm must devise a financing strategy that best fits its
business situation and best manages its risk. Use the following table to identify the different
current asset financing policies. Description Some portion of fixed assets and the non seasonal
person of current assets are financed with long-term capital, and all seasonal needs if current
assets and the remaining portion of fixed assets are financed with short-term loans. Long-term
capital finances all permanent current assets and some temporary financing needs. All fixed
assets and the non seasonal portion of current assets are financed with long-term capital, and
sectional needs of current assets are financed with short-term loans.
Solution
I the scenario the some portion of the fixed assets as well as the non-seasonal portion of the
current assets are financed with long term capital and all seasonal needs if current assets and the
remaining portion of the fixed assets are financed with short term loans.
This is a case of conservative approach.
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Solution
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coordinatingconjunction, and most ofthe time, that coordinating conjunction will be preceded by
acomma.
To correct a fused sentence by joining the twoindependent clauses properly, you will need a
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acomma..
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What are the common sources of RF noise? What are the potential problems resulting from RF
noise? Why is it becoming increasingly important to address this issue? What can be to mitigate
this problem? Do you think it is a solvable problem and should EE/CE engineers address it? If
you get a chance to address it when you join a company after graduating as an EE/CE engineer,
what would you do to address it?
Solution
answer 1)
the main sources of RF noise are:
answer 2)
the effects of noise can be varied, but the most common is the error on the amplitude of the
carrier, the noise can also affect the phase of the signal in the form of jitter, which causes reading
error on the receiving team can cause loss of information.
answer 3)
the main importance of reducing the effects of noise, is to recover without loss, the information
transmitted from the source. A low noise ratio ensures that the emitted signal, will be rebuilt by
the receiver faithfully and without losses.
answer 4)
Electronic equipment in their effect is minimized with a good shielding in cables and in the same
equipment. Although, the best way to end the RF noise is noise shielding directly at its source.
Shields mentioned to be effective must be connected to the system ground.
answer 5)
Yes, the effects caused by RF noise can be mitigated, so it is considered solvable, and is within
the skills of an electrical engineer or computer engineer solve them. Many considerations to
mitigate the effects of RF noise systems is: Grounding and appropriate shielding, optical
insulation, gutters and grounded metal trays.
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Solution
Advantages
Cost Effectiveness: The entire financial transactions will eventually become electronic, so sooner
conversion is going to be lower on cost. It makes every transaction through e-commerce payment
a lot cheaper.
Higher Margin: E-commerce also enables us to move better with higher margin for more
business safety. Higher margin also means business with more control as well as flexibility. You
can also save time from the e-commerce.
Better Productivity: Productivity here means productivity for both companies and customers.
People like to find answers online because it is faster and cheaper, and it costs a lot cheaper
expense as well for the company.
Quick Comparison: E-commerce also enables us to compare price among several providers. In
the end, it leads us to smart shopping. People can save more money while they shop.
Economy Benefit:E-commerce allows us to make transaction without any needs on stores,
infrastructure investment, and other common things we find. Companies only need well built
website and customer service.
Disadvantages
Security:Customers need to be confident and trust the provider of payment method. Sometimes,
we can be tricked. Examine on integrity and reputation of the web stores before you decide to
buy.
Scalability of System:A company definitely needs a well developed website to support numbers
of customers at a time. If your web destination is not well enough, you better forget it.
Integrity on Data and System:Customers need secure access all the time. In addition to it,
protection to data is also essential. Unless the transaction can provide it, we should refuse for e-
commerce.
Products People:People who prefer and focus on product will not buy online. They prefer to
check the real product before purchasing it.
Customer Service and Relation Problem:They sometimes forget how essential to build loyal
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Body temperature of dengue patients in Hospital x Religious affiliation
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Here are the levels of measurements: 1.Interval 2. Ratio 3.Ordinal 4.Interval
5.Nominal 6.Ordinal 7.Ordinal 8.Ordinal ( if described as loud, louder etc.) -- This is a little
vague description. This can be an Interval level if sound is measured in decibles. 9.Ordinal
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Using the IEEE 754 floating point format, write down the bit pattern .pdf
Using the functions you have learned, write each of the following as a C++ expression. (i)
2.5^3.1 (ii) squareroot x - 4/3 (iii) |-x - 2.4| List the 4 steps of development and design phase.
State whether the following are valid identifier names. If they are invalid names, state why.
Solution
(2). #include
#include
(iv). The steps of development and design phase :-
1.Requirement Gathering
2.Design
3.Coding
4.Testing
(4)(a). toyou123 - Valid Identifier.
(b). 1MDB - Invalid Identifier because Identifier should not start with a digit.
(c). else - Invalid identifier because keyword cannot be used as user defined Identifier.
(d). Test mark - Invalid Identifier because Identifier should not contain sace in the middle of
words.
(e). While - Invalid Identifier because keyword cannot be used as user defined Identifier..
Using the personality traits identified in the book and in the chapte.pdf
Using the Pascal triangle, determine the coefficient of the third term in the expansion of (x +
y)^10 Express your answer to 4 decimal places DO NOT ROUND YOUR NUMBERS UNTIL
THE FINAL ANSWER.
Solution
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 15 20 15 6 1
1 7 21 35 35 21 7 1
1 8 28 56 70 56 28 8 1
1 9 36 84 126 126 84 36 9 1
1 10 45 120 210 252 210 120 45 10 1
The coefficient of 3rd term in expansion is 45.
RHEOLOGY Physical pharmaceutics-II notes for B.pharm 4th sem students
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Solution
Geothermal heating heats the system by transferring heat from the ground to the system.
Geothermal cooling cools the system by transferring heat from the system to the ground.
Underground temperatures are constant ( do not vary much) with the seasons.
Geothermal works on the principle that the ground beneath is warmer then the outside air in the
winter and cooler than the outside air in the summer. Inserting some mechanism the heat can be
transferred to and from the home..
What distribution does the F distribution approach as the sample .pdf
What design variable was used before SRT? Define this term (conceptually). Why did SRT
replace this variable? When is specific growth rate higher: at low SRTs or at high SRTs?
Solution
c)The process loading factor (U) also called the Food to Microorganism(F/M) Ratio was used
before SRT.It can be defined as the mass of substrate applied to the reactor per unit time divided
by the mass of microbes in the reactor.Three major causes led to be the reason of replacement of
F/R Ratio by SRT which are :- 1) Increased oxygen transfer efficiency 2) Improved Biomass
Particle Size Distribution 3) Enhanced removal of many emerging contaminants such as
pharmaceuticals,personal care products etc. d)The specific growth rate is higher at low SRT\'s
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What caused the collapse of the I-35W bridge? One of the truss members was overloaded One
of the piers was damaged because of earthquake Gusset plates failed High wind overturned the
bridge Deterioration of truss due to corrosion Confirm the case assigned to you? Case 1 Case 2
Case 3 Case 4 Case 5 Which truss member is assigned to you? U13-L13 Compute the force
on the member assigned to you? Is the member in tension or compression? Tension
Compression
Solution
The i-35w Bridge failed due to gusset plate failure it happened like too thin gusset plates ripped
on the bolt line due to improper adequacy and design flaw.Due to heavy load it caused the
catastrophic failure.
For remaining questions data was missing, try to send me data i will answer those..
What are the various sources of conflict and politics that have p.pdf
What are the two new civilian codes added to the modernized satellites?
Solution
Modernised satellites contain two new code sequences to provide ranging information: the
Civilian Moderate length code (called CM), and the Civilian Long length code (called CL). The
CM code is 10,230 bits long, repeating every 20 ms. The CL code is 767,250 bits long, repeating
every 1500 ms. Each signal is transmitted at 511,500 bits per second (bit/s), however they are
multiplexed together to form a 1,023,000 bit/s signal..
What are the two new civilian codes added to the modernized satellite.pdf
What are the two major parts of flow net? What are the guidelines for drawing a flow net?
Solution
The major part of the flow net are stream lines and Equipotential lines.
Guidelines in drawing flow net are:
Flow lines or stream lines and Equipotential lines are should orthogonal to each other at every
point.
Two flow lines and two equipotential lines never meet each other.
The flow net should be formed should be square boxes of the field.
Drop in head in the adjacent equipotential lines should be same..
What are the main techniques of capital budgeting Can you briefl.pdf
What are the main elements of the land transportation and warehousing infrastructure? How
would the quality and dependability of these infrastructure affect an international shipment?
What are the main elements of the land transportation and warehousing infrastructure? How
would the quality and dependability of these infrastructure affect an international shipment?
Solution
Without well developed transportation systems, logistics could not bring its advantages into full
play. Besides, a good transport system in logistics activities could provide better logistics
efficiency, reduce operation cost, and promote service quality. The improvement of
transportation systems needs the effort from both public and private sectors. A well-operated
logistics system could increase both the competitiveness of the government and enterprises
Elements of Land Transportation and Warehousing Infrastructure
1.) Legislation and regulatory frameworks for transport usually include a specific requirement
for vehicle safety. Most humanitarian organisations also lay down safety and security policies
that need to be followed. Requirements will include the vehicle weight, the way it is loaded and
how the load is distributed.
2.) Drivers and operators of vehicles are responsible for using a vehicle on the road with a safe
and secure load. Legislation will often state that, in transit, the drivers have full responsibility for
the safety of their load, even if they did not load it personally. Even if, in some countries, the
legislation is not implemented, respected or followed, every effort must be made to ensure that
the organisation.
What are the different ways of loading a code into an AYR chipSo.pdf
What are the differences between the various sampling techniques and measures of averages
(mean, median or mode)? How might you use them in your profession? Provide examples to
support your answer
Solution
Mean is the average value for example 7, 5 ,6 ,4 mean of these is equal to 7+5+6+4 divided by 4
which is 5.5 that is the average of 4 digits .
Mode.- A number the appears most often in a set of numbers for example 4 , 5 ,6 , 6 ,3 , 3 ,9,8 , 3
, 7 Mode is 3 because it appears most often in the upper set .
Median- The number that remains the middle number in both cases ( ascending and descendind
order) in a set of odd numbers for example 7,5,3,2,8 in ascending order 2,3,5,7,8 and in
descending order 8,7,5,3,2 the median is 5 .
It is very helpful in business in statistics I had worked as a Teacher and it was the most important
part of maths..
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What are the current asset financing strategies that firms adopt? Firms manage a variety of
current assets. Permanent current assets are needed for the firm to maintain its business, and they
will be carried even through downturns in business cycles. Temporary current assets fluctuate
reasonally or with business cycles. Each firm must devise a financing strategy that best fits its
business situation and best manages its risk. Use the following table to identify the different
current asset financing policies. Description Some portion of fixed assets and the non seasonal
person of current assets are financed with long-term capital, and all seasonal needs if current
assets and the remaining portion of fixed assets are financed with short-term loans. Long-term
capital finances all permanent current assets and some temporary financing needs. All fixed
assets and the non seasonal portion of current assets are financed with long-term capital, and
sectional needs of current assets are financed with short-term loans.
Solution
I the scenario the some portion of the fixed assets as well as the non-seasonal portion of the
current assets are financed with long term capital and all seasonal needs if current assets and the
remaining portion of the fixed assets are financed with short term loans.
This is a case of conservative approach.
This is because long term capital is used to finance assets first.
Hence, the correct option is Conservative approach..
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What are Fused Sentences? How they can be avoided?
Solution
A sentence in which two or more independentclauses are not properly joined by a semicolon or
conjunction iscalled fused sentences. It is also called run-onsentence
To correct a fused sentence by joining the twoindependent clauses properly, you will need a
coordinatingconjunction, and most ofthe time, that coordinating conjunction will be preceded by
acomma.
To correct a fused sentence by joining the twoindependent clauses properly, you will need a
coordinatingconjunction, and most ofthe time, that coordinating conjunction will be preceded by
acomma..
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What are the common sources of RF noise? What are the potential problems resulting from RF
noise? Why is it becoming increasingly important to address this issue? What can be to mitigate
this problem? Do you think it is a solvable problem and should EE/CE engineers address it? If
you get a chance to address it when you join a company after graduating as an EE/CE engineer,
what would you do to address it?
Solution
answer 1)
the main sources of RF noise are:
answer 2)
the effects of noise can be varied, but the most common is the error on the amplitude of the
carrier, the noise can also affect the phase of the signal in the form of jitter, which causes reading
error on the receiving team can cause loss of information.
answer 3)
the main importance of reducing the effects of noise, is to recover without loss, the information
transmitted from the source. A low noise ratio ensures that the emitted signal, will be rebuilt by
the receiver faithfully and without losses.
answer 4)
Electronic equipment in their effect is minimized with a good shielding in cables and in the same
equipment. Although, the best way to end the RF noise is noise shielding directly at its source.
Shields mentioned to be effective must be connected to the system ground.
answer 5)
Yes, the effects caused by RF noise can be mitigated, so it is considered solvable, and is within
the skills of an electrical engineer or computer engineer solve them. Many considerations to
mitigate the effects of RF noise systems is: Grounding and appropriate shielding, optical
insulation, gutters and grounded metal trays.
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What are some of the advantages and disadvantages of e-finance over traditional fina (Usually it
is easier to explain using examples)
Solution
Advantages
Cost Effectiveness: The entire financial transactions will eventually become electronic, so sooner
conversion is going to be lower on cost. It makes every transaction through e-commerce payment
a lot cheaper.
Higher Margin: E-commerce also enables us to move better with higher margin for more
business safety. Higher margin also means business with more control as well as flexibility. You
can also save time from the e-commerce.
Better Productivity: Productivity here means productivity for both companies and customers.
People like to find answers online because it is faster and cheaper, and it costs a lot cheaper
expense as well for the company.
Quick Comparison: E-commerce also enables us to compare price among several providers. In
the end, it leads us to smart shopping. People can save more money while they shop.
Economy Benefit:E-commerce allows us to make transaction without any needs on stores,
infrastructure investment, and other common things we find. Companies only need well built
website and customer service.
Disadvantages
Security:Customers need to be confident and trust the provider of payment method. Sometimes,
we can be tricked. Examine on integrity and reputation of the web stores before you decide to
buy.
Scalability of System:A company definitely needs a well developed website to support numbers
of customers at a time. If your web destination is not well enough, you better forget it.
Integrity on Data and System:Customers need secure access all the time. In addition to it,
protection to data is also essential. Unless the transaction can provide it, we should refuse for e-
commerce.
Products People:People who prefer and focus on product will not buy online. They prefer to
check the real product before purchasing it.
Customer Service and Relation Problem:They sometimes forget how essential to build loyal
relationship with customers. Without loyalty from customers, they will not survive the business..
Weightis aA. Ratio scaleB. Interval scale.pdf
Weight in pounds of new born babies Speed of a car degree of agreement or disagreement of
respondents about the appropriateness of a television program for children below 10 years old
Length of milkfish fry in a fish pond Eye color Skin tone IQ level of Grade I pupils as low,
average, or high Sound intensity of the noise made by students in a cafeteria Educational
attainment Number of children in a family Socioeconomic status of residents of Barangay A
Population of the Philippines in the year 2000 Monthly salary of employees of Company A
Body temperature of dengue patients in Hospital x Religious affiliation
Solution
Here are the levels of measurements: 1.Interval 2. Ratio 3.Ordinal 4.Interval
5.Nominal 6.Ordinal 7.Ordinal 8.Ordinal ( if described as loud, louder etc.) -- This is a little
vague description. This can be an Interval level if sound is measured in decibles. 9.Ordinal
10.Interval 11.Ordinal 12.Interval 13.Ratio 14. Interval 15. Nominal Hope this helps. Please rate
this as a life saver. Thanks..
Using the IEEE 754 floating point format, write down the bit pattern .pdf
Using the functions you have learned, write each of the following as a C++ expression. (i)
2.5^3.1 (ii) squareroot x - 4/3 (iii) |-x - 2.4| List the 4 steps of development and design phase.
State whether the following are valid identifier names. If they are invalid names, state why.
Solution
(2). #include
#include
(iv). The steps of development and design phase :-
1.Requirement Gathering
2.Design
3.Coding
4.Testing
(4)(a). toyou123 - Valid Identifier.
(b). 1MDB - Invalid Identifier because Identifier should not start with a digit.
(c). else - Invalid identifier because keyword cannot be used as user defined Identifier.
(d). Test mark - Invalid Identifier because Identifier should not contain sace in the middle of
words.
(e). While - Invalid Identifier because keyword cannot be used as user defined Identifier..
Using the personality traits identified in the book and in the chapte.pdf
Using the Pascal triangle, determine the coefficient of the third term in the expansion of (x +
y)^10 Express your answer to 4 decimal places DO NOT ROUND YOUR NUMBERS UNTIL
THE FINAL ANSWER.
Solution
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 15 20 15 6 1
1 7 21 35 35 21 7 1
1 8 28 56 70 56 28 8 1
1 9 36 84 126 126 84 36 9 1
1 10 45 120 210 252 210 120 45 10 1
The coefficient of 3rd term in expansion is 45.
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