Question 1

A customer population is called _______________ when the number of potential new customers is affected by the number of customers already in the system.

Accepted Answer

A) finite 
B) infinite 
C) dependent 
D) independent 
E) biased 
A) finite 
B) infinite 
C) dependent 
D) independent 
E) biased

Question 2

For which of the following priority rules are the customers waiting times most likely to be proportional to their respective service times?

Accepted Answer

A) first come, first served 
B) longest service requirements first 
C) quickest service requirements first 
D) best customers first 
E) emergencies first 
A) first come, first served 
B) longest service requirements first 
C) quickest service requirements first 
D) best customers first 
E) emergencies first

Question 3

A multiple-line service system provides an incentive for jockeying behavior.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is not one of the characteristics that define a service system?

Accepted Answer

A) the number of customers 
B) the number of waiting lines 
C) the number of servers 
D) the arrival and service patterns 
E) the service priority rules 
A) the number of customers 
B) the number of waiting lines 
C) the number of servers 
D) the arrival and service patterns 
E) the service priority rules

Question 5

One challenge in designing waiting lines is to obtain service systems with _______ but not ______ amounts of capacity.

Accepted Answer

A) adequate, excessive 
B) adequate, expensive 
C) low cost, cheap 
D) justifiable, noticeable 
E) infinite, excessive 
A) adequate, excessive 
B) adequate, expensive 
C) low cost, cheap 
D) justifiable, noticeable 
E) infinite, excessive

Question 6

Waiting line models typically assume that customer arrival rates are represented by the Gaussian distribution.

Accepted Answer

A) True 
 B)False

Question 7

Waiting line models typically assume that customer arrival rates are represented by what distribution?

Accepted Answer

A) Poisson 
B) Gaussian 
C) Weibull 
D) Cauchy 
E) exponential 
A) Poisson 
B) Gaussian 
C) Weibull 
D) Cauchy 
E) exponential

Question 8

Waiting line models typically assume that service times are represented by what distribution?

Accepted Answer

A) Poisson 
B) normal 
C) Weibull 
D) exponential 
E) hypergeometric 
A) Poisson 
B) normal 
C) Weibull 
D) exponential 
E) hypergeometric

Question 9

What occurs when a customer enters one line and then switches to a different line in an effort to reduce his or her waiting time?

Accepted Answer

A) balking 
B) walking 
C) reneging 
D) vacillating 
E) jockeying 
A) balking 
B) walking 
C) reneging 
D) vacillating 
E) jockeying

Question 10

A customer population is called finite when the number of potential new customers is affected by the number of customers already in the system.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is not considered to be a valid performance measure of a waiting line system?

Accepted Answer

A) the average number of customers waiting in line 
B) the customer population source 
C) the average number of customers in the system 
D) the average amount of time customers spend waiting 
E) the system utilization rate 
A) the average number of customers waiting in line 
B) the customer population source 
C) the average number of customers in the system 
D) the average amount of time customers spend waiting 
E) the system utilization rate

Question 12

The term _________ refers to the activity or a series of service required activities.

Accepted Answer

The answer of The term _________ refers to the activity...

Question 13

Consider a single-line, single-server waiting line system. Suppose that customers arrive according to a Poisson distribution at an average rate of 60 per hour, and the average (exponentially distributed)service time is 45 seconds per customer. What is the average number of customers in the system?

Accepted Answer

The answer of Consider a single-line, single-server waiting line system....

Question 14

Channel and server are synonymous in waiting line terminology.

Accepted Answer

A) True 
 B)False

Question 15

When calculating waiting line metrics you must ensure that the arrival rate and service rate are:

Accepted Answer

A) for the same day. 
B) for the same probability. 
C) for the same site. 
D) for the same time period. 
E) for the same utilization factor. 
A) for the same day. 
B) for the same probability. 
C) for the same site. 
D) for the same time period. 
E) for the same utilization factor.

Question 16

The two elements that define a waiting line system are (1)the population source of its customers and (2)the process or service system itself.

Accepted Answer

A) True 
 B)False

Question 17

The average time customers spend waiting and the average time a customer spends in the system:

Accepted Answer

A) are the same metric. 
B) use the same formula. 
C) are not considered. 
D) are different system metrics. 
E) only apply to multi-server systems. 
A) are the same metric. 
B) use the same formula. 
C) are not considered. 
D) are different system metrics. 
E) only apply to multi-server systems.

Question 18

Service rate must be _____________ than __________ rate.

Accepted Answer

The answer of Service rate must be _____________ than __________...

Question 19

Which of the following waiting line systems best describes a bank with a single waiting line that feeds customers to multiple identical servers?

Accepted Answer

A) single-server, single-phase 
B) single-server, multi-phase 
C) multi-server, single-line, single-phase 
D) multi-server, multi-line, single-phase 
E) multi-server, multi-phase 
A) single-server, single-phase 
B) single-server, multi-phase 
C) multi-server, single-line, single-phase 
D) multi-server, multi-line, single-phase 
E) multi-server, multi-phase

Question 20

Customers often link long waits to ______ service.

Accepted Answer

The answer of Customers often link long waits to ______...

A customer population is called _______________ when the number of potential new customers is affected by the number of customers already in the system.

For which of the following priority rules are the customers waiting times most likely to be proportional to their respective service times?

A multiple-line service system provides an incentive for jockeying behavior.

Which of the following is not one of the characteristics that define a service system?

One challenge in designing waiting lines is to obtain service systems with _ but not amounts of capacity.

Waiting line models typically assume that customer arrival rates are represented by the Gaussian distribution.

Waiting line models typically assume that customer arrival rates are represented by what distribution?

Waiting line models typically assume that service times are represented by what distribution?

What occurs when a customer enters one line and then switches to a different line in an effort to reduce his or her waiting time?

A customer population is called finite when the number of potential new customers is affected by the number of customers already in the system.

Which of the following is not considered to be a valid performance measure of a waiting line system?

The term _________ refers to the activity or a series of service required activities.

Consider a single-line, single-server waiting line system. Suppose that customers arrive according to a Poisson distribution at an average rate of 60 per hour, and the average (exponentially distributed)service time is 45 seconds per customer. What is the average number of customers in the system?

Channel and server are synonymous in waiting line terminology.

When calculating waiting line metrics you must ensure that the arrival rate and service rate are:

The two elements that define a waiting line system are (1)the population source of its customers and (2)the process or service system itself.

The average time customers spend waiting and the average time a customer spends in the system:

Service rate must be ___ than rate.

Which of the following waiting line systems best describes a bank with a single waiting line that feeds customers to multiple identical servers?

Customers often link long waits to ______ service.

Introduction to Operations Management

Operations Strategy and Competitiveness

Product Design and Process Selection

E-Commerce and Supply Chain Management

Total Quality Management

Statistical Quality Control

Just-In-Time and Lean Systems

Forecasting

Capacity Planning and Facility Location

Facility Layout

Work System Design

Independent Demand Inventory Management

Aggregate Planning

Resource Planning

Scheduling

Project Management

Spreadsheet Modeling: an Introduction

Spreadsheet Modeling: an Introduction

Master Scheduling and Rough-Cut Capacity Planning

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Exam 18: Waiting Line Models

A customer population is called _______________ when the number of potential new customers is affected by the number of customers already in the system.

For which of the following priority rules are the customers waiting times most likely to be proportional to their respective service times?

A multiple-line service system provides an incentive for jockeying behavior.

Which of the following is not one of the characteristics that define a service system?

One challenge in designing waiting lines is to obtain service systems with _______ but not ______ amounts of capacity.

Waiting line models typically assume that customer arrival rates are represented by the Gaussian distribution.

Waiting line models typically assume that customer arrival rates are represented by what distribution?

Waiting line models typically assume that service times are represented by what distribution?

What occurs when a customer enters one line and then switches to a different line in an effort to reduce his or her waiting time?

A customer population is called finite when the number of potential new customers is affected by the number of customers already in the system.

Which of the following is not considered to be a valid performance measure of a waiting line system?

The term _________ refers to the activity or a series of service required activities.

Consider a single-line, single-server waiting line system. Suppose that customers arrive according to a Poisson distribution at an average rate of 60 per hour, and the average (exponentially distributed)service time is 45 seconds per customer. What is the average number of customers in the system?

Channel and server are synonymous in waiting line terminology.

When calculating waiting line metrics you must ensure that the arrival rate and service rate are:

The two elements that define a waiting line system are (1)the population source of its customers and (2)the process or service system itself.

The average time customers spend waiting and the average time a customer spends in the system:

Service rate must be _____________ than __________ rate.

Which of the following waiting line systems best describes a bank with a single waiting line that feeds customers to multiple identical servers?

Customers often link long waits to ______ service.

Introduction to Operations Management

Operations Strategy and Competitiveness

Product Design and Process Selection

E-Commerce and Supply Chain Management

Total Quality Management

Statistical Quality Control

Just-In-Time and Lean Systems

Forecasting

Capacity Planning and Facility Location

Facility Layout

Work System Design

Independent Demand Inventory Management

Aggregate Planning

Resource Planning

Scheduling

Project Management

Spreadsheet Modeling: an Introduction

Spreadsheet Modeling: an Introduction

Master Scheduling and Rough-Cut Capacity Planning

Filters

One challenge in designing waiting lines is to obtain service systems with _ but not amounts of capacity.

Service rate must be ___ than rate.