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Exam 10: Waiting Line Analysis and Simulation

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Question 21

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Being user-friendly and easy to understand typically means that the simulation produces less accurate results.

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Question 22

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Which of the following is not a suggestion for managing queues presented in the textbook?

A) Try to divert your customer's attention when waiting.
B) Segment the customers.
C) Encourage customers to come during the slack periods.
D) Train your people to be friendly.
E) Periodically close the service channel to temporarily disperse the line.

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Question 23

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Which of the following is a suggestion for managing queues presented in the textbook?

Being able to permit interactive debugging of a model so the user can trace flows through the model and more easily find errors is considered a desirable feature of simulation software systems.

Machine breakdown and repair in a 12-machine factory having one repair mechanic would develop which type of queuing system line structure concerning machine breakdowns?

The demand on a hospital's emergency medical services is considered an uncontrollable arrival pattern of the calling population.

In modeling a simulation, random numbers from 00 to 99 are assigned with the intervals determined from frequency distributions for each behavior occurrence.Assume there are two behaviors, A and B, out of 100 tallies.On behavior A you record 45 tallies, and on behavior B you record 55 tallies.Which of the following is a correct random-number interval for behavior A?

In a department, 25 machines are kept running by three operators who respond to randomly occurring equipment problems.An analyst wanting to know whether to add a fourth operator or downsize to two operators would be helped by using queuing theory analysis.

For an infinite queuing situation, if the arrival rate for loading trucks is 5 trucks per hour, what is the mean time between arrivals?

In a college registration process, several department heads have to approve an individual student's semester course load.What is the queuing system line structure?

The central problem in virtually every waiting line situation is a decision balancing the costs of adding services with the costs of waiting.

In a practical sense, a finite population is one that potentially would form a very long line in relation to the capacity of the serving system.

The Poisson probability distribution is used in waiting line management when one is interested in the number of arrivals to a queue during some fixed time period.

Which of the following is an example of general-purpose simulation software?

A tellers' window in a bank is an example of a single-channel, multiphase queuing system.

In infinite queuing theory, the average number in the waiting line divided by the average arrival rate yields what measure of waiting line performance? _________________________________

Which of the following is an example of a finite population in a queuing system?

Which of the following is an example of general-purpose simulation software?

A roller coaster ride in an amusement park employs which type of queuing system line structure?

Standing in line to buy tickets for a basketball game where there are multiple ticket windows involves which type of queuing system line structure? _________________________________