Question 1

Which of the following is a suggestion for managing queues that is mentioned in the textbook?

Accepted Answer

A)  Put up a serpentine lane to keep people from jumping ahead in line. 
B)  Use humor to defuse a potentially irritating situation. 
C)  Segment the customers. 
D)  Assure customers that the wait is fair, and inform them of the queue discipline. 
E)  Tell people in the queue that each will be served as soon as possible. 
A)  Put up a serpentine lane to keep people from jumping ahead in line. 
B)  Use humor to defuse a potentially irritating situation. 
C)  Segment the customers. 
D)  Assure customers that the wait is fair, and inform them of the queue discipline. 
E)  Tell people in the queue that each will be served as soon as possible. C

Question 2

A small vendor has either a good day of sales with an average of $1,000 or a bad day with an average of only $500 for the day. To simulate these outcomes, random numbers from 00 to 99 should be assigned with the intervals determined from the frequency distribution. If, during the last 100 days, the vendor had 27 good days and 73 bad days, which of the following is a correct random-number interval for a bad day?

Accepted Answer

A)  28 to 99 
B)  27 to 73 
C)  27 to 100 
D)  27 to 99 
E)  00 to 26 
A)  28 to 99 
B)  27 to 73 
C)  27 to 100 
D)  27 to 99 
E)  00 to 26 D

Question 3

A tellers' window in a bank is an example of a single-channel, multiphase queuing system.

Accepted Answer

A) True 
 B)False  False

Question 4

A finite population in waiting line management refers to a population that is large enough in relation to the service system so that the change in population size caused by subtractions or additions to the population does not significantly affect the system probabilities.

Accepted Answer

A) True 
 B)False

Question 5

Balking and reneging mean the same thing.

Accepted Answer

A) True 
 B)False

Question 6

While spreadsheets can be somewhat useful for a variety of simulation problems, they can be confusing and are vulnerable to several drawbacks, including weak routines for random-number selection.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is a suggestion for managing queues that is mentioned in the textbook?

Accepted Answer

A)  Put up a serpentine lane to keep people from jumping ahead in line. 
B)  Use humor to defuse a potentially irritating situation. 
C)  Train your servers to be friendly. 
D)  Assure customers that the wait is fair, and inform them of the queue discipline. 
E)  Tell people in the queue that each will be served as soon as possible. 
A)  Put up a serpentine lane to keep people from jumping ahead in line. 
B)  Use humor to defuse a potentially irritating situation. 
C)  Train your servers to be friendly. 
D)  Assure customers that the wait is fair, and inform them of the queue discipline. 
E)  Tell people in the queue that each will be served as soon as possible.

Question 8

Which of the following is an example of a finite population in a queuing system?

Accepted Answer

A)  People waiting to place their order at a fast-food restaurant 
B)  The departmental faculty in line at the copier 
C)  People waiting in line at an ATM 
D)  Patients seeking help in a hospital emergency room 
E)  Taxpayers calling for assistance from the IRS 
A)  People waiting to place their order at a fast-food restaurant 
B)  The departmental faculty in line at the copier 
C)  People waiting in line at an ATM 
D)  Patients seeking help in a hospital emergency room 
E)  Taxpayers calling for assistance from the IRS

Question 9

Which of the following is not a suggestion for managing queues presented in the textbook?

Accepted Answer

A)  Try to divert your customer's attention when waiting. 
B)  Segment the customers. 
C)  Encourage customers to come during the slack periods. 
D)  Train your people to be friendly. 
E)  Periodically close the service channel to temporarily disperse the line. 
A)  Try to divert your customer's attention when waiting. 
B)  Segment the customers. 
C)  Encourage customers to come during the slack periods. 
D)  Train your people to be friendly. 
E)  Periodically close the service channel to temporarily disperse the line.

Question 10

In modeling a simulation, random numbers from 00 to 99 are assigned with the intervals determined from frequency distributions for each behavior occurrence. Assume there are two behaviors, X and Y, out of 50 tallies. On Behavior X you record 20 tallies, and on Behavior Y you record 30 tallies. Which of the following is a correct random-number interval for Behavior X?

Accepted Answer

A)  00 to 19 
B)  01 to 20 
C)  00 to 39 
D)  41 to 61 
E)  45 to 100 
A)  00 to 19 
B)  01 to 20 
C)  00 to 39 
D)  41 to 61 
E)  45 to 100

Question 11

In a practical sense, a finite population is one that potentially would form a very long line in relation to the capacity of the serving system.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is a suggestion for managing queues presented in the textbook?

Accepted Answer

A)  Train your servers to be friendly. 
B)  Tell customers that the line should encourage them to come during slack periods. 
C)  Give each customer a number. 
D)  Periodically close the service channel to temporarily disperse the line. 
E)  Use humor to defuse a potentially irritating situation. 
A)  Train your servers to be friendly. 
B)  Tell customers that the line should encourage them to come during slack periods. 
C)  Give each customer a number. 
D)  Periodically close the service channel to temporarily disperse the line. 
E)  Use humor to defuse a potentially irritating situation.

Question 13

When service times are random, they can be approximated by the Poisson distribution.

Accepted Answer

A) True 
 B)False

Question 14

What is the variance of the Poisson distribution?

Accepted Answer

A)  λ 
B)  λ2 
C)  1/λ 
D)  1/λ2 
E)  λ! 
A)  λ 
B)  λ2 
C)  1/λ 
D)  1/λ2 
E)  λ!

Question 15

The customer arrivals in a queuing system come almost exclusively from finite populations.

Accepted Answer

A) True 
 B)False

Question 16

These types of impatient customers arrive, view the situation, join the waiting line, and then, after some period of time, depart. What is this called?

Accepted Answer

A)  Quitters 
B)  Reversing 
C)  Reneging 
D)  Balking 
E)  Bolting 
A)  Quitters 
B)  Reversing 
C)  Reneging 
D)  Balking 
E)  Bolting

Question 17

An infinite population in waiting line management refers to a population that is large enough in relation to the service system so that the change in population size caused by subtractions or additions to the population does not significantly affect the system probabilities.

Accepted Answer

A) True 
 B)False

Question 18

There are different queuing models to fit different queuing situations.

Accepted Answer

A) True 
 B)False

Question 19

Assume the service rate for a queue in a truck-loading operation is 2 trucks per hour. Using the infinite queuing notion for the models presented in the textbook, which of the following is the average service time?

Accepted Answer

A)  2 hours 
B)  1 hour 
C)  0.5 hour 
D)  0.25 hour 
E)  None of these choices are correct. 
A)  2 hours 
B)  1 hour 
C)  0.5 hour 
D)  0.25 hour 
E)  None of these choices are correct.

Question 20

A constant arrival rate is more common in productive systems than a variable arrival rate.

Accepted Answer

A) True 
 B)False

Which of the following is a suggestion for managing queues that is mentioned in the textbook?

A tellers' window in a bank is an example of a single-channel, multiphase queuing system.

A finite population in waiting line management refers to a population that is large enough in relation to the service system so that the change in population size caused by subtractions or additions to the population does not significantly affect the system probabilities.

Balking and reneging mean the same thing.

While spreadsheets can be somewhat useful for a variety of simulation problems, they can be confusing and are vulnerable to several drawbacks, including weak routines for random-number selection.

Which of the following is a suggestion for managing queues that is mentioned in the textbook?

Which of the following is an example of a finite population in a queuing system?

Which of the following is not a suggestion for managing queues presented in the textbook?

In a practical sense, a finite population is one that potentially would form a very long line in relation to the capacity of the serving system.

Which of the following is a suggestion for managing queues presented in the textbook?

When service times are random, they can be approximated by the Poisson distribution.

What is the variance of the Poisson distribution?

The customer arrivals in a queuing system come almost exclusively from finite populations.

These types of impatient customers arrive, view the situation, join the waiting line, and then, after some period of time, depart. What is this called?

An infinite population in waiting line management refers to a population that is large enough in relation to the service system so that the change in population size caused by subtractions or additions to the population does not significantly affect the system probabilities.

There are different queuing models to fit different queuing situations.

Assume the service rate for a queue in a truck-loading operation is 2 trucks per hour. Using the infinite queuing notion for the models presented in the textbook, which of the following is the average service time?

A constant arrival rate is more common in productive systems than a variable arrival rate.

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Exam 10: Waiting Line Analysis and Simulation

Which of the following is a suggestion for managing queues that is mentioned in the textbook?

A tellers' window in a bank is an example of a single-channel, multiphase queuing system.

A finite population in waiting line management refers to a population that is large enough in relation to the service system so that the change in population size caused by subtractions or additions to the population does not significantly affect the system probabilities.

Balking and reneging mean the same thing.

While spreadsheets can be somewhat useful for a variety of simulation problems, they can be confusing and are vulnerable to several drawbacks, including weak routines for random-number selection.

Which of the following is a suggestion for managing queues that is mentioned in the textbook?

Which of the following is an example of a finite population in a queuing system?

Which of the following is not a suggestion for managing queues presented in the textbook?

In a practical sense, a finite population is one that potentially would form a very long line in relation to the capacity of the serving system.

Which of the following is a suggestion for managing queues presented in the textbook?

When service times are random, they can be approximated by the Poisson distribution.

What is the variance of the Poisson distribution?

The customer arrivals in a queuing system come almost exclusively from finite populations.

These types of impatient customers arrive, view the situation, join the waiting line, and then, after some period of time, depart. What is this called?

An infinite population in waiting line management refers to a population that is large enough in relation to the service system so that the change in population size caused by subtractions or additions to the population does not significantly affect the system probabilities.

There are different queuing models to fit different queuing situations.

Assume the service rate for a queue in a truck-loading operation is 2 trucks per hour. Using the infinite queuing notion for the models presented in the textbook, which of the following is the average service time?

A constant arrival rate is more common in productive systems than a variable arrival rate.

Introduction

Strategy

Design of Products and Services

Projects

Strategic Capacity Management

Learning Curves

Manufacturing Processes

Facility Layout

Service Processes

Process Design and Analysis

Six Sigma Quality

Statistical Quality Control

Lean Supply Chains

Logistics, Distribution, and Transportation

Global Sourcing and Procurement

The Internet of Things and Erp

Forecasting

Sales and Operations Planning

Inventory Management

Material Requirements Planning

Workcenter Scheduling

Filters