The body of knowledge about waiting lines is called
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Queuing Theory
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Which distribution most frequently describes the arrival rate in queuing theory?
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Poisson
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Customers who _____ refuse to join the waiting line because it is too long to suit their needs or interests
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balk
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Which distribution most frequently describes the service time in queuing theory?
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Negative Exponential
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Most bank teller services are operated with what kind of system?
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Multiple-server, single-phase
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What are the two most important cost considerations in queuing problems?
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Cost of providing service and cost of waiting time
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As the level of service increases, the cost of waiting time
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decreases
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In the basic queuing model (M/1/1), what probability distribution describes arrival rates?
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Poisson
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Which of the following is NOT a measure of a queue's performance?
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Probability that the service facility will be idle
Average queue length
Utilization factor of the system
Average time spent in the queue
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Which of the following is an example of a finite arrival population?
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Copy machines in a copying shop that break down.
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A waiting line, or queueing, system has three parts, which are:
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arrivals or inputs, queue discipline or the waiting line itself, and the service facility.
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An airline ticket counter, with several agents for one line of customers, is an example of which of the following?
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Multiple-server, single-phase
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In queuing problems, which of the following probability distribution is typically used to describe the time to perform the service?
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Negative Exponential
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Which type of queuing model would be best for analyzing an automated car wash?
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Constant service (M/D/I)
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In queueing problems, arrival rates are generally described by the normal probability distribution.
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False
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Which part of a waiting line has characteristics that involve a statistical distribution?
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Arrival/inputs and the service facility
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A bank office with five tellers, each with a separate line of customers, exhibits the characteristics of a multiphase queuing system?
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False
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A college registar's office requires you to visit with one of three advisors and then with one of two financial professionals. This system is described as which of the following?
answer
Multiple-server, multiphase system
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