ch7a - ch7a Student 1 The central problem in virtually...

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Unformatted text preview: ch7a Student: ___________________________________________________________________________ 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 False 2. Ideally in waiting line or queuing analysis we want to balance the cost of service capacity with the cost of waiting. True False 3. The customer arrivals in a queuing system come almost exclusively from finite populations. True False 4. The customer arrivals in a queuing system come almost exclusively from infinite populations. True False 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 change in population size caused by subtraction or additions to the population does not significantly affect the system probabilities. True False 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 change in population size caused by subtraction or additions to the population does not significantly affect the system probabilities. True False 7. A variable arrival rate is more common in waiting line management than a constant arrival rate. True False 8. A constant arrival rate is more common in productive systems than a variable arrival rate. True False 9. Arrival characteristics in a queuing problem analysis include the length of the queue. True False 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 False 11. The demand on a hospital's emergency medical services is considered a controllable arrival pattern of the calling population. True False 12. The demand on a hospital's emergency medical services is considered an uncontrollable arrival pattern of the calling population. True False 13. Gas stations, loading docks, and parking lots have infinite potential length of lines for their respective queuing systems. True False 14. Highest-profit customer first is a queue discipline discussed in the textbook. True False 15. Longest waiting time in line is a queue discipline discussed in the textbook. True False 16. Best customer last is a queue discipline discussed in the textbook. True False 17. A car wash is an example of a single channel, multiphase queuing system. True False 18. A tellers' window in a bank is an example of a single channel, multiphase queuing system. True False 19. The admissions system in a hospital for patients is an example of a single channel, single phase queuing system....
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ch7a - ch7a Student 1 The central problem in virtually...

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