Chapter 12, Problem 46P

Summary Introduction

To determine: The number of postal windows that should be opened to minimize the hourly costs.

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.

Explanation of Solution

Model:

Formulae to determine the model:

Three postal windows should be opened in order to minimize the hourly costs