Question 1

Queue discipline refers to the assumption that a customer has the patience to remain in a slow moving queue.

Accepted Answer

A) True 
 B)False

Question 2

Queue discipline refers to the manner in which waiting units are arranged for service.

Accepted Answer

A) True 
 B)False

Question 3

Kendall's notation is helpful when classifying the wide variety of different waiting line models and can indicate that the waiting line system is assumed to have infinite capacity.

Accepted Answer

A) True 
 B)False

Question 4

In developing the total cost for a waiting line,waiting cost takes into consideration both the time spent waiting in line and the time spent being served.

Accepted Answer

A) True 
 B)False

Question 5

Little's flow equations can apply to a single-server as well as multiple-server waiting line model.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following queue disciplines is assumed by the waiting line models presented in the textbook?

Accepted Answer

A) first-come,first-served 
B) last-in,first-out 
C) shortest processing,time first 
D) first-in,last-out 
A) first-come,first-served 
B) last-in,first-out 
C) shortest processing,time first 
D) first-in,last-out

Question 7

Circle Electric Supply is considering opening a second service counter to better serve the electrical contractor customers.The arrival rate is 10 per hour.The service rate is 14 per hour.If the cost of waiting is $30 and the cost of each service counter is $22 per hour,should the second counter be opened?

Accepted Answer

With one window,the cost per h

Question 8

A company has tool cribs where workmen draw parts.Two men have applied for the position of distributing parts to the workmen.George Fuller is fresh out of trade school and expects a $6 per hour salary.His average service time is four minutes.John Cox is a veteran who expects $12 per hour.His average service time is two minutes.A workman's time is figured at $10 per hour.Workmen arrive to draw parts at an average rate of 12 per hour.
a.What is the average waiting time a workman would spend in the system under each applicant?
b.Which applicant should be hired?
​
​

Accepted Answer

The answer of A company has tool cribs where workmen...

Question 9

Andy Archer,Ph.D.,is a training consultant for six mid-sized manufacturing firms.On average,each of his six clients calls him for consulting assistance once every 25 days.Andy typically spends an average of five days at the client's firm during each consultation.Assuming the time between client calls follows an exponential distribution,determine
a.the average number of clients Andy has on backlog.
b.the average time a client must wait before Andy arrives.
c.the proportion of time Andy is busy.
​

Accepted Answer

The answer of Andy Archer,Ph.D.,is a training consultant for six...

Question 10

For an M/G/1 system with λ = 6,μ = 9,and σ = 0.03,find
a.the probability the system is idle.
b.the average length of the queue.
c.the average number in the system.

Accepted Answer

The answer of For an M/G/1 system with λ =...

Question 11

Decision makers in queuing situations attempt to balance

Accepted Answer

A) operating characteristics against the arrival rate. 
B) service levels against service cost. 
C) the number of units in the system against the time in the system. 
D) the service rate against the arrival rate. 
A) operating characteristics against the arrival rate. 
B) service levels against service cost. 
C) the number of units in the system against the time in the system. 
D) the service rate against the arrival rate.

Question 12

A multiple-server waiting line is one that has two or more parallel service facilities.

Accepted Answer

A) True 
 B)False

Question 13

The assumption of exponentially distributed service times indicates that

Accepted Answer

A) 37% of the service times are less than the mean service time. 
B) 50% of the service times are less than the mean service time. 
C) 63% of the service times are less than the mean service time. 
D) service time increase at an exponential rate as the waiting line grows. 
A) 37% of the service times are less than the mean service time. 
B) 50% of the service times are less than the mean service time. 
C) 63% of the service times are less than the mean service time. 
D) service time increase at an exponential rate as the waiting line grows.

Question 14

For an M/G/1 system with λ = 20,μ = 35,and σ = 0.005,find
a.the probability the system is idle.
b.the average length of the queue.
c.the average number in the system.

Accepted Answer

The answer of For an M/G/1 system with λ =...

Question 15

In waiting line systems where the length of the waiting line is limited,the mean number of units entering the system might be less than the arrival rate.

Accepted Answer

A) True 
 B)False

Question 16

If arrivals occur according to the Poisson distribution every 20 minutes,then which of the following is NOT true?

Accepted Answer

A) λ = 20 arrivals per hour 
B) λ = 3 arrivals per hour 
C) λ = 1/20 arrivals per minute 
D) λ = 72 arrivals per day 
A) λ = 20 arrivals per hour 
B) λ = 3 arrivals per hour 
C) λ = 1/20 arrivals per minute 
D) λ = 72 arrivals per day

Queue discipline refers to the assumption that a customer has the patience to remain in a slow moving queue.

Queue discipline refers to the manner in which waiting units are arranged for service.

Kendall's notation is helpful when classifying the wide variety of different waiting line models and can indicate that the waiting line system is assumed to have infinite capacity.

In developing the total cost for a waiting line,waiting cost takes into consideration both the time spent waiting in line and the time spent being served.

Little's flow equations can apply to a single-server as well as multiple-server waiting line model.

Which of the following queue disciplines is assumed by the waiting line models presented in the textbook?

For an M/G/1 system with λ = 6,μ = 9,and σ = 0.03,find a.the probability the system is idle. b.the average length of the queue. c.the average number in the system.

Decision makers in queuing situations attempt to balance

A multiple-server waiting line is one that has two or more parallel service facilities.

The assumption of exponentially distributed service times indicates that

For an M/G/1 system with λ = 20,μ = 35,and σ = 0.005,find a.the probability the system is idle. b.the average length of the queue. c.the average number in the system.

In waiting line systems where the length of the waiting line is limited,the mean number of units entering the system might be less than the arrival rate.

If arrivals occur according to the Poisson distribution every 20 minutes,then which of the following is NOT true?

Introduction

An Introduction to Linear Programming

Linear Programming: Sensitivity Analysis and Interpretation of Solution

Linear Programming Applications in Marketing, finance, and OM

Advanced Linear Programming Applications

Distribution and Network Models

Integer Linear Programming

Nonlinear Optimization Models

Project Scheduling: Pertcpm

Inventory Models

Simulation

Decision Analysis

Multicriteria Decisions

Time Series Analysis and Forecasting

Markov Processes

Linear Programming: Simplex Method

Simplex-Based Sensitivity Analysis and Duality

Solution Procedures for Transportation and Assignment Problems

Minimal Spanning Tree

Dynamic Programming

Filters

Exam 11: Waiting Line Models

Queue discipline refers to the assumption that a customer has the patience to remain in a slow moving queue.

Queue discipline refers to the manner in which waiting units are arranged for service.

Kendall's notation is helpful when classifying the wide variety of different waiting line models and can indicate that the waiting line system is assumed to have infinite capacity.

In developing the total cost for a waiting line,waiting cost takes into consideration both the time spent waiting in line and the time spent being served.

Little's flow equations can apply to a single-server as well as multiple-server waiting line model.

Which of the following queue disciplines is assumed by the waiting line models presented in the textbook?

For an M/G/1 system with λ = 6,μ = 9,and σ = 0.03,find a.the probability the system is idle. b.the average length of the queue. c.the average number in the system.

Decision makers in queuing situations attempt to balance

A multiple-server waiting line is one that has two or more parallel service facilities.

The assumption of exponentially distributed service times indicates that

For an M/G/1 system with λ = 20,μ = 35,and σ = 0.005,find a.the probability the system is idle. b.the average length of the queue. c.the average number in the system.

In waiting line systems where the length of the waiting line is limited,the mean number of units entering the system might be less than the arrival rate.

If arrivals occur according to the Poisson distribution every 20 minutes,then which of the following is NOT true?

Introduction

An Introduction to Linear Programming

Linear Programming: Sensitivity Analysis and Interpretation of Solution

Linear Programming Applications in Marketing, finance, and OM

Advanced Linear Programming Applications

Distribution and Network Models

Integer Linear Programming

Nonlinear Optimization Models

Project Scheduling: Pertcpm

Inventory Models

Simulation

Decision Analysis

Multicriteria Decisions

Time Series Analysis and Forecasting

Markov Processes

Linear Programming: Simplex Method

Simplex-Based Sensitivity Analysis and Duality

Solution Procedures for Transportation and Assignment Problems

Minimal Spanning Tree

Dynamic Programming

Filters