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As the owner of a rent-a-car agency,you have determined the following statistics: As the owner of a rent-a-car agency,you have determined the following statistics: The gross profit is $40 per car per day rented.When there is demand for a car but none is available,there is a goodwill loss of $80 and the rental is lost.Each day a car is unused costs you $5 per car.Your firm initially has four cars. The gross profit is $40 per car per day rented.When there is demand for a car but none is available,there is a goodwill loss of $80 and the rental is lost.Each day a car is unused costs you $5 per car.Your firm initially has four cars. As the owner of a rent-a-car agency,you have determined the following statistics: The gross profit is $40 per car per day rented.When there is demand for a car but none is available,there is a goodwill loss of $80 and the rental is lost.Each day a car is unused costs you $5 per car.Your firm initially has four cars.

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Independent trials are those in which the results for one trial have no effect on what happens in subsequent trials.

A) True
B) False

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The word "uniform" in the term "uniform random numbers" means


A) all the numbers have the same number of digits.
B) if one number is,say,10 units above the mean,the next number will be 10 units below the mean.
C) all the numbers are odd or all are even.
D) each number has an equal probability of being drawn.

E) None of the above
F) A) and B)

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All values of the computer-generated random numbers are equally likely and are uniformly distributed over the interval from 0 to 1.

A) True
B) False

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Simulation models that must take into account how the system changes or evolves over time are referred to as dynamic simulation models.

A) True
B) False

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When making a decision in the presence of uncertainty,decision makers should only be interested in the average,or expected,outcome.

A) True
B) False

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Using the spreadsheet below,give the cell address that would have the formula shown. Using the spreadsheet below,give the cell address that would have the formula shown. ​ ​ Using the spreadsheet below,give the cell address that would have the formula shown. ​

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Varying the values of controllable inputs enables simulation models to identify good operating policies and decisions.

A) True
B) False

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Seventy-five percent of calls arriving at a help line can be handled by the person who answers the phone,but the remaining 25% of them will need to be referred to someone else.Assume that every call requires one minute of attention by the person who answers the phone (either to answer the question or to figure out how the referral should be handled).Calls that are referred need an additional amount of time,as given in the table below. Seventy-five percent of calls arriving at a help line can be handled by the person who answers the phone,but the remaining 25% of them will need to be referred to someone else.Assume that every call requires one minute of attention by the person who answers the phone (either to answer the question or to figure out how the referral should be handled).Calls that are referred need an additional amount of time,as given in the table below. Callers are served on a first-come,first-served basis and are put on hold until the line is free.Use random numbers to simulate what happens to 10 callers.(Use the random numbers in order,from left to right,first row first,as you need them.)What percentage of your callers needs to be referred? Of those who had to be referred,what is the average referral time? ​ Callers are served on a first-come,first-served basis and are put on hold until the line is free.Use random numbers to simulate what happens to 10 callers.(Use the random numbers in order,from left to right,first row first,as you need them.)What percentage of your callers needs to be referred? Of those who had to be referred,what is the average referral time? Seventy-five percent of calls arriving at a help line can be handled by the person who answers the phone,but the remaining 25% of them will need to be referred to someone else.Assume that every call requires one minute of attention by the person who answers the phone (either to answer the question or to figure out how the referral should be handled).Calls that are referred need an additional amount of time,as given in the table below. Callers are served on a first-come,first-served basis and are put on hold until the line is free.Use random numbers to simulate what happens to 10 callers.(Use the random numbers in order,from left to right,first row first,as you need them.)What percentage of your callers needs to be referred? Of those who had to be referred,what is the average referral time? ​ ​

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blured image 40% of the callers ...

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A simulation model uses the mathematical expressions and logical relationships of the


A) real system.
B) computer model.
C) performance measures.
D) estimated inferences.

E) None of the above
F) A) and B)

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Which of the following statements is NOT true about the advantages of simulations?


A) Simulation models are flexible.
B) Simulation models can be used to describe systems without requiring the assumptions that are often required by mathematical models.
C) Generally,the larger the number of random variables a system has,the less likely that a simulation model will provide the most suitable approach for studying the system.
D) Simulation models provide a convenient experimental "laboratory" for a real system.

E) A) and D)
F) A) and B)

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The number of units expected to be sold is uniformly distributed between 300 and 500.If r is a random number between 0 and 1,then the proper expression for sales is


A) 200(r) .
B) r + 300.
C) 300 + 500(r) .
D) 300 + r(200) .

E) A) and B)
F) A) and C)

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Simulation allows the user to specify certain desired results (e.g.,profit or service level values),and then the necessary model parameters and operating policies are determined.

A) True
B) False

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