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Chap008A

# Chap008A - Chapter 08A Waiting Line Analysis Chapter 08A...

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Chapter 08A - Waiting Line Analysis Chapter 08A Waiting Line Analysis True / False Questions 1. The central problem in virtually every waiting line situation is a trade-off decision balancing the costs of adding services with the costs of waiting. TRUE Level: Easy 2. Ideally in waiting line or queuing analysis we want to balance the cost of service capacity with the cost of waiting. TRUE Level: Easy 3. The customer arrivals in a queuing system come almost exclusively from finite populations. FALSE Level: Easy 4. The customer arrivals in a queuing system come almost exclusively from infinite populations. FALSE Level: Easy 8A-1

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Chapter 08A - Waiting Line Analysis 5. A finite population in waiting line management refers to a population that is large enough in relation to the service system so that the population size caused by subtraction or additions to the population does not significantly affect the system probabilities. FALSE Level: Medium 6. An infinite population in waiting line management refers to a population that is large enough in relation to the service system so that the population size caused by subtraction or additions to the population does not significantly affect the system probabilities. TRUE Level: Easy 7. A variable arrival rate is more common in waiting line management than a constant arrival rate. TRUE Level: Easy 8. A constant arrival rate is more common in waiting line management than a variable arrival rate. FALSE Level: Easy 9. Arrival characteristics in a queuing problem include the length of the queue. FALSE Level: Easy 8A-2
Chapter 08A - Waiting Line Analysis 10. The Poisson probability distribution is used in waiting line management when we are interested in the number of arrivals to a queue during some fixed time period. TRUE Level: Easy 11. The demand on a hospital's emergency medical services is considered a controllable arrival pattern of the calling population. FALSE Level: Easy 12. The demand on a hospital's emergency medical services is considered an uncontrollable arrival pattern of the calling population. TRUE Level: Easy 13. Gas stations, loading docks and parking lots have infinite potential length of lines for their respective queuing systems. FALSE Level: Easy 14. Highest-profit customer first is a queue discipline discussed in the textbook. TRUE Level: Easy 8A-3

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Chapter 08A - Waiting Line Analysis 15. Longest waiting time in line is a queue discipline discussed in the textbook. TRUE Level: Easy 16. Best customer last is a queue discipline discussed in the textbook. FALSE Level: Easy 17. A car wash is an example of a single channel, multiphase queuing system. TRUE Level: Easy 18. A tellers' window in a bank is an example of a single channel, multiphase queuing system. FALSE Level: Easy 19. The admissions system in a hospital for patients is an example of a single channel, single phase queuing system.
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Chap008A - Chapter 08A Waiting Line Analysis Chapter 08A...

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