SUPPLEMENT C
Waiting Line Models
Before studying this supplement you should know or, if necessary, review
- Competitive advantages, Chapter 2.
- Priority rules, Chapter 16.
LEARNING OBJECTIVES
After completing this supplement you should be able to
Describe the elements of a waiting line problem.
Use waiting line models to estimate system performance.
Use waiting line models to make managerial decisions.
SUPPLEMENT OUTLINE
Elements of Waiting Lines C2
Waiting Line Performance Measures C7
Single-Server Waiting Line Model C7
Multiserver Waiting Line Model C10
Changing Operational Characteristics C13
Larger-Scale Waiting Line Systems C14
Waiting Line Models within OM: How It All Fits Together C15
WHAT'S IN OM FOR ME?
Waiting in lines is part of everyday life. Some estimates state that Americans spend 37 billion hours per year waiting in lines. Whether it is waiting in line at a grocery store to buy deli items (by taking a number) or checking out at the cash registers (finding the quickest line), waiting in line at the bank for a teller, or waiting at an amusement park to go on the newest ...
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