Given this frequency distribution, the random number 0.9015 would be interpreted as a demand of: \[\begin{array} { | c | c | } \hline \text { Demand } & \text { Frequency } \\ \hline 0 & 38 \\ \hline 1 & 22 \\ \hline 2 & 22 \\ \hline 3 & 18 \\ \hline \end{array}\]

A) 0. B) 1. C) 2. D) 3. E) 1 or 2. A) 0. B) 1. C) 2. D) 3. E) 1 or 2.

Given this frequency distribution, the random number 0.5211 would be interpreted as a demand of: \[\begin{array} { | c | c | } \hline \text { Demand } & \text { Frequency } \\ \hline 0 & 38 \\ \hline 1 & 22 \\ \hline 2 & 22 \\ \hline 3 & 18 \\ \hline \end{array}\]

A) 0. B) 1. C) 2. D) 3. E) 1 or 2. A) 0. B) 1. C) 2. D) 3. E) 1 or 2.

If a simulation begins with the first random number, the second simulated value would be: Random numbers: 0.6246, 0.2594, 0.4055 \[\begin{array} { | c | c | } \hline \text { Demand } & \text { Frequency } \\ \hline 0 & 0.15 \\ \hline 1 & 0.30 \\ \hline 2 & 0.25 \\ \hline 3 & 0.15 \\ \hline 4 & 0.15 \\ \hline \end{array}\]

A) 0. B) 1. C) 2. D) 3. E) 4. A) 0. B) 1. C) 2. D) 3. E) 4.

Exam 12: Computer Simulation: Basic Concepts

A number is a random number between 0 and 1 if it is generated in such a way that every possible number within this interval has an equal chance of occurring.

(True/False)

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Question 21

It is always necessary to test the validity of a simulation model by comparing its results with those of an analytic study.

(True/False)

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Question 22

Given this frequency distribution, the random number 0.9015 would be interpreted as a demand of: Demand Frequency 0 38 1 22 2 22 3 18

(Multiple Choice)

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Question 23

Which of the following statements about simplifying assumptions in simulations is TRUE? I. Simplifying assumptions should not be used in simulations. II. Simplifying assumptions should lead to conservative estimates. III. Simplifying assumptions should lead to optimistic estimates.

(Multiple Choice)

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Question 24

A parameter analysis report is used to generate many replications of a computer simulation.

(True/False)

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Question 25

Simulation is basically an optimizing technique.

(True/False)

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Question 26

With the speed of computers, it is not necessary to limit the amount of factors considered in a simulation.

(True/False)

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Question 27

A simulation model includes a description of the components of the system that is to be simulated.

(True/False)

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Question 28

Customers arrive at a carwash with on average once every 20 minutes. It seems likely that customer arrivals follow an exponential distribution. In a simulation, what formula would you use to estimate how long it will be until the next arrival occurs?

(Multiple Choice)

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Question 29

A simulation model includes: I. a description of the components of the system. II. a simulation clock. III. a definition of the state of the system.

(Multiple Choice)

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Question 30

Which of the following would not be a probable reason for choosing simulation as a decision-making tool?

(Multiple Choice)

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Question 31

A simulation clock keeps track of how long the simulation has run in real time.

(True/False)

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Question 32

Given this frequency distribution, the random number 0.5211 would be interpreted as a demand of: Demand Frequency 0 38 1 22 2 22 3 18

(Multiple Choice)

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Question 33

After reviewing past history, you have assembled the following table showing the frequency of certain levels of sales over the past 40 months. If the largest random number used to represent sales of 300 units is 1.00, what will be the smallest number used to represent sales of 300 units? Sales (units) Frequency Corregonding Randam Numbers 100 12 150 6 200 8 250 4 300 10 ??\leqx\leq1

(Multiple Choice)

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Question 34

Random numbers can be generated in Excel by using the VLOOKUP function.

(True/False)

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Question 35

A larger confidence interval is desirable for a measure of performance since it shows that the results are valid over a larger range.

(True/False)

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Question 36

You are reviewing a simulation model and find that the analyst who prepared the model used the formula = 15 + (45 − 15) × RAND() to generate the simulated cost of a product. Which of the following assumptions did the analyst make about the cost of the product? I. The minimum cost of the product is 15. II. The maximum cost of the product is 60. III. The cost of the product is uniformly distributed.

(Multiple Choice)

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Question 37

After some experimentation, you have determined that you have a biased coin. The probability of heads is 0.6 and the probability of tails is 0.4. If you flip this coin 25 times, how many times would you expect to observe the result "tails"?

(Multiple Choice)

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Question 38

Simulation is especially useful for situations too complex to be analyzed using analytical models.

(True/False)

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Question 39

If a simulation begins with the first random number, the second simulated value would be: Random numbers: 0.6246, 0.2594, 0.4055 Demand Frequency 0 0.15 1 0.30 2 0.25 3 0.15 4 0.15

(Multiple Choice)

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Question 40

Showing 21 - 40 of 79

A number is a random number between 0 and 1 if it is generated in such a way that every possible number within this interval has an equal chance of occurring.

It is always necessary to test the validity of a simulation model by comparing its results with those of an analytic study.

Given this frequency distribution, the random number 0.9015 would be interpreted as a demand of: Demand Frequency 0 38 1 22 2 22 3 18

Which of the following statements about simplifying assumptions in simulations is TRUE? I. Simplifying assumptions should not be used in simulations. II. Simplifying assumptions should lead to conservative estimates. III. Simplifying assumptions should lead to optimistic estimates.

A parameter analysis report is used to generate many replications of a computer simulation.

Simulation is basically an optimizing technique.

With the speed of computers, it is not necessary to limit the amount of factors considered in a simulation.

A simulation model includes a description of the components of the system that is to be simulated.

Customers arrive at a carwash with on average once every 20 minutes. It seems likely that customer arrivals follow an exponential distribution. In a simulation, what formula would you use to estimate how long it will be until the next arrival occurs?

A simulation model includes: I. a description of the components of the system. II. a simulation clock. III. a definition of the state of the system.

Which of the following would not be a probable reason for choosing simulation as a decision-making tool?

A simulation clock keeps track of how long the simulation has run in real time.

Given this frequency distribution, the random number 0.5211 would be interpreted as a demand of: Demand Frequency 0 38 1 22 2 22 3 18

Random numbers can be generated in Excel by using the VLOOKUP function.

A larger confidence interval is desirable for a measure of performance since it shows that the results are valid over a larger range.

After some experimentation, you have determined that you have a biased coin. The probability of heads is 0.6 and the probability of tails is 0.4. If you flip this coin 25 times, how many times would you expect to observe the result "tails"?

Simulation is especially useful for situations too complex to be analyzed using analytical models.

If a simulation begins with the first random number, the second simulated value would be: Random numbers: 0.6246, 0.2594, 0.4055 Demand Frequency 0 0.15 1 0.30 2 0.25 3 0.15 4 0.15

Introduction

Linear Programming: Basic Concepts

Linear Programming: Formulation and Applications

The Art of Modeling With Spreadsheets

What-If Analysis for Linear Programming

Network Optimization Problems

Using Binary Integer Programming to Deal With Yes-Or-No Decisions

Nonlinear Programming

Decision Analysis

Forecasting

Queueing Models

Computer Simulation With Analytic Solver

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