Question 1

The inverse distribution function expresses a value in terms of a cumulative distribution function.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is not a simulator program?

Accepted Answer

A) Alpha/Sim. 
B) SIMSCRIPT. 
C) ProModel. 
D) Extend. 
A) Alpha/Sim. 
B) SIMSCRIPT. 
C) ProModel. 
D) Extend.

Question 3

Simulate the post office function for eight hours on December 10, two weeks before Christmas.Arrivals are Poisson distributed at an average of one per minute.Service time is exponential with a mean of 3 minutes.Six servers are available.What is the average length of the queue?

Accepted Answer

(Use two random number process

Question 4

When simulating a process with two random events (e.g., arrival time and service time) they each may be mapped using the same random number.

Accepted Answer

A) True 
 B)False

Question 5

If the daily demand of x units has a probability of 0.20, will the corresponding "mapped" random numbers be 00-19?

Accepted Answer

(Not necessarily.They could be

Question 6

Simulation analysis:

Accepted Answer

A) is often used in conjunction with mathematical analysis. 
B) is time consuming and costly. 
C) generates verifiably optimal solutions. 
D) provides insights into relationships among variables. 
A) is often used in conjunction with mathematical analysis. 
B) is time consuming and costly. 
C) generates verifiably optimal solutions. 
D) provides insights into relationships among variables.

Question 7

What are @Risk and Crystal Ball?

Accepted Answer

(Excel add

Question 8

What does Crystal Ball use as the default values for the normal distribution?

Accepted Answer

(Mean defaults to th

Question 9

GoodFriend Inc.plans to upgrade its accounting software.The main activities for the project are:A.Evaluate available products.
B.Determine the hardware requirements.
C.Order and obtain the hardware.
D.Order and obtain the software.
E.Set up the hardware.
F.Train the IT staff to implement and support the software.
G.Train the end users.
H.Install the software.
I.Customize the software.
J.Test the system.
The following table indicates the PERT estimates in work days.
 $\begin{array}{ccccc}
\text { Job}&\text {  Predecessors}&\text {optimistic}&\text { Most Likely}&\text { Pessimistic }\
\text { A } & -- & 10 & 20 & 30 \
\text { B } & -- & 2 & 3 & 5 \
\text { C } & \text { B } & 5 & 8 & 10 \
\text { D } & \text { A } & 3 & 5 & 10 \
\text { E } & \text { C } & 1 & 2 & 4 \
\text { F } & \text { D } & 5 & 7 & 15 \
\text { G } & \text { D } & 5 & 7 & 15 \
\text { H } & \text { E, F } & 1 & 2 & 4 \
\text { I } & \text { H } & 15 & 20 & 30 \
\text { J } & \text { G. I } & 4 & 10 & 15
\end{array}$
 What is the probability that the project can be completed in 65 work days?

Accepted Answer

Use Crystal Ball to solve the problem.F

Question 10

In which Crystal Ball menu do you indicate the maximum number of trials and the desired confidence level?

Accepted Answer

(Run Prefe

Question 11

Why do you suppose many managers do not wholeheartedly accept the results of simulation studies?

Accepted Answer

(Simulation is often referred to as "the

Question 12

A queuing system is generally simulated using the next event
approach but could be simulated with a fixed time approach.

Accepted Answer

A) True 
 B)False

Question 13

In conducting a hypothesis test using simulation results:

Accepted Answer

A) one may not be able to draw a firm conclusion regarding the optimal policy. 
B) the null hypothesis may be proved correct. 
C) the alternate hypothesis reflects the simulation's estimated value(s). 
D) the results (of the simulation) generate the null hypothesis. 
A) one may not be able to draw a firm conclusion regarding the optimal policy. 
B) the null hypothesis may be proved correct. 
C) the alternate hypothesis reflects the simulation's estimated value(s). 
D) the results (of the simulation) generate the null hypothesis.

Question 14

In simulating a queuing system:

Accepted Answer

A) multiple random number generators must be used. 
B) service times cannot be constant. 
C) the queue discipline must be first-come, first-served. 
D) arrivals may follow a uniform distribution. 
A) multiple random number generators must be used. 
B) service times cannot be constant. 
C) the queue discipline must be first-come, first-served. 
D) arrivals may follow a uniform distribution.

Question 15

Simulation can be used to model a functioning operation and study what would happen if we made extensive changes.

Accepted Answer

A) True 
 B)False

Question 16

A simulation of a queue always starts with an empty queue.

Accepted Answer

A) True 
 B)False

Question 17

"Increments" in a given simulation study may be measured by:

Accepted Answer

A) fixed times. 
B) next events. 
C) fixed times or next events. 
D) fixed times and next events. 
A) fixed times. 
B) next events. 
C) fixed times or next events. 
D) fixed times and next events.

Question 18

In the "next event" approach used in simulating inventory systems, the "events" typically may not correspond with:

Accepted Answer

A) inventory counts. 
B) order placements. 
C) order receipts. 
D) customer arrivals. 
A) inventory counts. 
B) order placements. 
C) order receipts. 
D) customer arrivals.

Question 19

To simulate an M/M/1 queue, how many random variable processes are needed? Identify what the random variables will represent.

Accepted Answer

(Two processes are n

Question 20

The sequence of numbers produced by a computer's random number generator:

Accepted Answer

A) will show autocorrelation. 
B) is independent of the "seed" selected. 
C) is derived by mathematical formula. 
D) is genuinely random. 
A) will show autocorrelation. 
B) is independent of the "seed" selected. 
C) is derived by mathematical formula. 
D) is genuinely random.

The inverse distribution function expresses a value in terms of a cumulative distribution function.

Which of the following is not a simulator program?

Simulate the post office function for eight hours on December 10, two weeks before Christmas.Arrivals are Poisson distributed at an average of one per minute.Service time is exponential with a mean of 3 minutes.Six servers are available.What is the average length of the queue?

When simulating a process with two random events (e.g., arrival time and service time) they each may be mapped using the same random number.

If the daily demand of x units has a probability of 0.20, will the corresponding "mapped" random numbers be 00-19?

Simulation analysis:

What are @Risk and Crystal Ball?

What does Crystal Ball use as the default values for the normal distribution?

In which Crystal Ball menu do you indicate the maximum number of trials and the desired confidence level?

Why do you suppose many managers do not wholeheartedly accept the results of simulation studies?

A queuing system is generally simulated using the next event approach but could be simulated with a fixed time approach.

In conducting a hypothesis test using simulation results:

In simulating a queuing system:

Simulation can be used to model a functioning operation and study what would happen if we made extensive changes.

A simulation of a queue always starts with an empty queue.

"Increments" in a given simulation study may be measured by:

In the "next event" approach used in simulating inventory systems, the "events" typically may not correspond with:

To simulate an M/M/1 queue, how many random variable processes are needed? Identify what the random variables will represent.

The sequence of numbers produced by a computer's random number generator:

Introduction to Management Science Models

Introduction to Management Science Models

Applications of Linear and Integer Programming Models

Network Models

Project Scheduling Models

Decision Models

Forecasting

Inventory Models

Queuing Models

Quality Management Models

Markov Process Models

Nonlinear Models:dynamic, Goal, and Nonlinear Programming

Filters

Exam 10: Simulation Models

The inverse distribution function expresses a value in terms of a cumulative distribution function.

Which of the following is not a simulator program?

Simulate the post office function for eight hours on December 10, two weeks before Christmas.Arrivals are Poisson distributed at an average of one per minute.Service time is exponential with a mean of 3 minutes.Six servers are available.What is the average length of the queue?

When simulating a process with two random events (e.g., arrival time and service time) they each may be mapped using the same random number.

If the daily demand of x units has a probability of 0.20, will the corresponding "mapped" random numbers be 00-19?

Simulation analysis:

What are @Risk and Crystal Ball?

What does Crystal Ball use as the default values for the normal distribution?

In which Crystal Ball menu do you indicate the maximum number of trials and the desired confidence level?

Why do you suppose many managers do not wholeheartedly accept the results of simulation studies?

A queuing system is generally simulated using the next event approach but could be simulated with a fixed time approach.

In conducting a hypothesis test using simulation results:

In simulating a queuing system:

Simulation can be used to model a functioning operation and study what would happen if we made extensive changes.

A simulation of a queue always starts with an empty queue.

"Increments" in a given simulation study may be measured by:

In the "next event" approach used in simulating inventory systems, the "events" typically may not correspond with:

To simulate an M/M/1 queue, how many random variable processes are needed? Identify what the random variables will represent.

The sequence of numbers produced by a computer's random number generator:

Introduction to Management Science Models

Introduction to Management Science Models

Applications of Linear and Integer Programming Models

Network Models

Project Scheduling Models

Decision Models

Forecasting

Inventory Models

Queuing Models

Quality Management Models

Markov Process Models

Nonlinear Models:dynamic, Goal, and Nonlinear Programming

Filters