Practical Management Science, Loose-leaf Version
Practical Management Science, Loose-leaf Version
5th Edition
ISBN: 9781305631540
Author: WINSTON, Wayne L.; Albright, S. Christian
Publisher: Cengage Learning
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Chapter 13.4, Problem 6P

a)

Summary Introduction

To determine: The Little’s formula applied to the first subsystem.

Introduction: In order to predict the waiting time and length of the queue, queueing model will be framed. Queueing theory is the mathematical model that can be used for the decision-making process regarding the resources required to provide a service.

b)

Summary Introduction

To determine: The expected number of customer service quoted by the Little’s formula.

Introduction: In order to predict the waiting time and length of the queue, queueing model will be framed. Queueing theory is the mathematical model that can be used for the decision-making process regarding the resources required to provide a service.

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In a queueing system, customers arrive once every 4 hours (standard deviation = 7) and services take 3 hours (standard deviation = 4.9). (Do not round intermediate calculations. Round your answer to three decimal places.) What is the average number of customers in the queue? customers
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