Question 1

Which of the following is not a queue discipline discussed in the textbook?

Accepted Answer

A)  First come, first served 
B)  Last in, first out 
C)  Limited needs 
D)  Shortest processing time 
E)  Best customer first 
A)  First come, first served 
B)  Last in, first out 
C)  Limited needs 
D)  Shortest processing time 
E)  Best customer first

Question 2

Assuming a 24 hour operation in a warehouse, and an arrival following Poisson distribution with mean rate of 36 per day and service (unloading using a single bay) following exponential with a rate of 48 trucks per day, answer the following question. What is the expected number of trucks in the system?

Accepted Answer

A)  2.25 
B)  1.5 
C)  2 
D)  1 
E)  3 
A)  2.25 
B)  1.5 
C)  2 
D)  1 
E)  3

Question 3

Customers arrive at a single self-serve coffee machine in a busy mall at the rate of 20 per hour, following Poisson distribution. Each customer takes exactly 90 seconds to get his or her coffee. What is the expected number of customers in queue at this coffee machine?

Accepted Answer

A)  1.0 
B)  1.5 
C)  0.5 
D)  2.0 
E)  3.0 
A)  1.0 
B)  1.5 
C)  0.5 
D)  2.0 
E)  3.0

Question 4

In essence, a queuing system includes several major components. Which of the following is not one of them?

Accepted Answer

A)  Source population 
B)  Servicing system 
C)  How the customer exits the system 
D)  The queue discipline 
E)  None of these choices are correct. 
A)  Source population 
B)  Servicing system 
C)  How the customer exits the system 
D)  The queue discipline 
E)  None of these choices are correct.

Question 5

A variable arrival rate is more common in waiting line management than a constant arrival rate.

Accepted Answer

A) True 
 B)False

Question 6

What is the variance of the exponential 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 7

The spreadsheet function RANDBETWEEN() can return a number between any two numbers between positive and negative infinity.

Accepted Answer

A) True 
 B)False

Question 8

These types of impatient customers arrive, survey both the service facility and the length of the line, and then decide to leave. 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 9

A family arriving at a motel would be considered a batch arrival.

Accepted Answer

A) True 
 B)False

Question 10

A constant arrival distribution means that customers continue to arrive for the entire time the system is open.

Accepted Answer

A) True 
 B)False

Question 11

For an infinite queuing situation, if the arrival rate for loading trucks is 5 trucks per hour, what is the mean time between arrivals?

Accepted Answer

A)  5 hours 
B)  2.5 hours 
C)  0.2 hour 
D)  0.1 hour 
E)  None of these choices are correct. 
A)  5 hours 
B)  2.5 hours 
C)  0.2 hour 
D)  0.1 hour 
E)  None of these choices are correct.

Question 12

Buying food at a large food store with multiple checkout counters features which type of queuing system line structure?

Accepted Answer

A)  Single channel, single phase 
B)  Single channel, multiphase 
C)  Multichannel, single phase 
D)  Multichannel, multiphase 
E)  None of these choices are correct. 
A)  Single channel, single phase 
B)  Single channel, multiphase 
C)  Multichannel, single phase 
D)  Multichannel, multiphase 
E)  None of these choices are correct.

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

Longest waiting time in line is a queue discipline discussed in the textbook.

Accepted Answer

A) True 
 B)False

Question 15

Getting an autograph from a famous person might involve standing in which type of queuing line structure?

Accepted Answer

A)  Single channel, single phase 
B)  Single channel, multiphase 
C)  Multichannel, single phase 
D)  Multichannel, multiphase 
E)  None of these choices are correct. 
A)  Single channel, single phase 
B)  Single channel, multiphase 
C)  Multichannel, single phase 
D)  Multichannel, multiphase 
E)  None of these choices are correct.

Question 16

What is the mean 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 17

The Poisson probability distribution is used in waiting line management when one is interested in the number of arrivals to a queue during some fixed time period.

Accepted Answer

A) True 
 B)False

Question 18

This Excel function always returns a number between zero and one.

Accepted Answer

A)  NORMAL(0,1) 
B)  RANDOM() 
C)  RANDBETWEEN() 
D)  RAND(0,1) 
E)  RAND() 
A)  NORMAL(0,1) 
B)  RANDOM() 
C)  RANDBETWEEN() 
D)  RAND(0,1) 
E)  RAND()

Question 19

Spreadsheet simulations have become obsolete due in part to specialized computer simulation languages like SLAM or SIMAN.

Accepted Answer

A) True 
 B)False

Question 20

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, A and B, out of 50 tallies. On Behavior A you record 15 tallies, and on Behavior B you record 35 tallies. Which of the following is a correct random-number interval for Behavior A (Choose the most appropriate answer.).
I. 00 to 29 
II. 00 to 14
III. 70 to 99
IV. 35 to 49

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  I or III 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  I or III

Which of the following is not a queue discipline discussed in the textbook?

Customers arrive at a single self-serve coffee machine in a busy mall at the rate of 20 per hour, following Poisson distribution. Each customer takes exactly 90 seconds to get his or her coffee. What is the expected number of customers in queue at this coffee machine?

In essence, a queuing system includes several major components. Which of the following is not one of them?

A variable arrival rate is more common in waiting line management than a constant arrival rate.

What is the variance of the exponential distribution?

The spreadsheet function RANDBETWEEN() can return a number between any two numbers between positive and negative infinity.

These types of impatient customers arrive, survey both the service facility and the length of the line, and then decide to leave. What is this called?

A family arriving at a motel would be considered a batch arrival.

A constant arrival distribution means that customers continue to arrive for the entire time the system is open.

For an infinite queuing situation, if the arrival rate for loading trucks is 5 trucks per hour, what is the mean time between arrivals?

Buying food at a large food store with multiple checkout counters features which type of queuing system line structure?

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

Longest waiting time in line is a queue discipline discussed in the textbook.

Getting an autograph from a famous person might involve standing in which type of queuing line structure?

What is the mean of the Poisson distribution?

The Poisson probability distribution is used in waiting line management when one is interested in the number of arrivals to a queue during some fixed time period.

This Excel function always returns a number between zero and one.

Spreadsheet simulations have become obsolete due in part to specialized computer simulation languages like SLAM or SIMAN.

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

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Exam 10: Waiting Line Analysis and Simulation

Which of the following is not a queue discipline discussed in the textbook?

Customers arrive at a single self-serve coffee machine in a busy mall at the rate of 20 per hour, following Poisson distribution. Each customer takes exactly 90 seconds to get his or her coffee. What is the expected number of customers in queue at this coffee machine?

In essence, a queuing system includes several major components. Which of the following is not one of them?

A variable arrival rate is more common in waiting line management than a constant arrival rate.

What is the variance of the exponential distribution?

The spreadsheet function RANDBETWEEN() can return a number between any two numbers between positive and negative infinity.

These types of impatient customers arrive, survey both the service facility and the length of the line, and then decide to leave. What is this called?

A family arriving at a motel would be considered a batch arrival.

A constant arrival distribution means that customers continue to arrive for the entire time the system is open.

For an infinite queuing situation, if the arrival rate for loading trucks is 5 trucks per hour, what is the mean time between arrivals?

Buying food at a large food store with multiple checkout counters features which type of queuing system line structure?

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

Longest waiting time in line is a queue discipline discussed in the textbook.

Getting an autograph from a famous person might involve standing in which type of queuing line structure?

What is the mean of the Poisson distribution?

The Poisson probability distribution is used in waiting line management when one is interested in the number of arrivals to a queue during some fixed time period.

This Excel function always returns a number between zero and one.

Spreadsheet simulations have become obsolete due in part to specialized computer simulation languages like SLAM or SIMAN.

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