Question 1

The Decision Table tool in Crystal Ball can be used to systematically investigate a set of values for a decision variable in a simulation model.

Accepted Answer

A) True 
 B)False  True

Question 2

The mean standard error gives an indication of the accuracy of the estimated mean.

Accepted Answer

A) True 
 B)False  True

Question 3

OptQuest can be used to simultaneously optimize up to how many decision variables?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) Many decision variables can be optimized simultaneously. 
A) 1 
B) 2 
C) 3 
D) 4 
E) Many decision variables can be optimized simultaneously. E

Question 4

The binomial distribution describes the number of times an event occurs in a fixed number of trials.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following distributions describes the number of trials until an event occurs?

Accepted Answer

A) Binomial distribution. 
B) Geometric distribution. 
C) Negative binomial distribution. 
D) Poisson distribution. 
E) None of the above. 
A) Binomial distribution. 
B) Geometric distribution. 
C) Negative binomial distribution. 
D) Poisson distribution. 
E) None of the above.

Question 6

The custom distribution in Crystal Ball allows only discrete distributions to be entered.

Accepted Answer

A) True 
 B)False

Question 7

OptQuest is guaranteed to find the optimal solution to a simulation problem.

Accepted Answer

A) True 
 B)False

Question 8

A forecast cell refers to a random input cell.

Accepted Answer

A) True 
 B)False

Question 9

The distribution used for the assumption cells is one of the options to be set in the Run Preferences for Crystal Ball.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following are advantages of computer simulation over analytical methods like PERT/CPM for predicting the probability that a project will complete by a deadline?

Accepted Answer

A) It does not need to make as many simplifying assumptions. 
B) It is more flexible about which probability distributions can be used. 
C) It provides a solution more quickly. 
D) All of the above. 
E) a and b only. 
A) It does not need to make as many simplifying assumptions. 
B) It is more flexible about which probability distributions can be used. 
C) It provides a solution more quickly. 
D) All of the above. 
E) a and b only.

Question 11

Which of the following is not a characteristic of the uniform distribution?

Accepted Answer

A) It has a fixed minimum value. 
B) It has a fixed maximum value. 
C) Some value is the most likely. 
D) All of the above are characteristic of the uniform distribution. 
E) None of the above are characteristic of the uniform distribution. 
A) It has a fixed minimum value. 
B) It has a fixed maximum value. 
C) Some value is the most likely. 
D) All of the above are characteristic of the uniform distribution. 
E) None of the above are characteristic of the uniform distribution.

Question 12

The three- and four-parameter distributions provide the most flexibility when trying to fit a curve to a situation.

Accepted Answer

A) True 
 B)False

Question 13

The triangular distribution has a fixed upper and lower bound.

Accepted Answer

A) True 
 B)False

Question 14

The exponential distribution is widely used to describe the time between random events.

Accepted Answer

A) True 
 B)False

Question 15

The cell that represents the output of a computer simulation is referred to as:

Accepted Answer

A) an assumption cell. 
B) a decision variable. 
C) a forecast cell. 
D) a data cell. 
E) None of the above. 
A) an assumption cell. 
B) a decision variable. 
C) a forecast cell. 
D) a data cell. 
E) None of the above.

Question 16

Which of the following is not a good choice for run preferences when using OptQuest?

Accepted Answer

A) 500 trials. 
B) Using a different sequence of random numbers. 
C) Latin Hypercube sampling method. 
D) Update forecast windows and check precision control every 50 trials. 
E) All are good choices when using OptQuest. 
A) 500 trials. 
B) Using a different sequence of random numbers. 
C) Latin Hypercube sampling method. 
D) Update forecast windows and check precision control every 50 trials. 
E) All are good choices when using OptQuest.

Question 17

When applying simulation to an inventory problem,which of the following would be an assumption cell?

Accepted Answer

A) The total profit. 
B) The holding cost per unit. 
C) The demand. 
D) All of the above. 
E) None of the above. 
A) The total profit. 
B) The holding cost per unit. 
C) The demand. 
D) All of the above. 
E) None of the above.

Question 18

The normal distribution is a good choice when all values within a range are equally likely.

Accepted Answer

A) True 
 B)False

Question 19

A danger of using the normal distribution is that values can fall below zero.

Accepted Answer

A) True 
 B)False

Question 20

The sensitivity chart in Crystal Ball indicates how strongly various assumption cells influence the forecast cell.

Accepted Answer

A) True 
 B)False

Exam 16: Computer Simulation With Crystal Ball

The Decision Table tool in Crystal Ball can be used to systematically investigate a set of values for a decision variable in a simulation model.

The mean standard error gives an indication of the accuracy of the estimated mean.

OptQuest can be used to simultaneously optimize up to how many decision variables?

The binomial distribution describes the number of times an event occurs in a fixed number of trials.

Which of the following distributions describes the number of trials until an event occurs?

The custom distribution in Crystal Ball allows only discrete distributions to be entered.

OptQuest is guaranteed to find the optimal solution to a simulation problem.

A forecast cell refers to a random input cell.

The distribution used for the assumption cells is one of the options to be set in the Run Preferences for Crystal Ball.

Which of the following are advantages of computer simulation over analytical methods like PERT/CPM for predicting the probability that a project will complete by a deadline?

Which of the following is not a characteristic of the uniform distribution?

The three- and four-parameter distributions provide the most flexibility when trying to fit a curve to a situation.

The triangular distribution has a fixed upper and lower bound.

The exponential distribution is widely used to describe the time between random events.

The cell that represents the output of a computer simulation is referred to as:

Which of the following is not a good choice for run preferences when using OptQuest?

When applying simulation to an inventory problem,which of the following would be an assumption cell?

The normal distribution is a good choice when all values within a range are equally likely.

A danger of using the normal distribution is that values can fall below zero.

The sensitivity chart in Crystal Ball indicates how strongly various assumption cells influence the forecast cell.

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

Cd Supplement - Decision Analysis

Forecasting

Queueing Models

CD Supplement - Additional Queueing Models

Computer Simulation: Basic Concepts

CD Supplement - the Inverse Transformation Method for Generating Random Observations

CD - Solution Concepts for Linear Programming

CD - Transportation and Assignment Problems

CD - Pertcpm Models for Project Management

CD - Goal Programming

CD - Inventory Management With Known Demand

CD - Inventory Management With Uncertain Demand

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