A graduate research assistant moonlights in the food court in the student union in the evenings. He

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A graduate research assistant "moonlights" in the food court in the student union in the evenings. He is the only one on duty at the counter during the hours he works. Arrivals to the counter seem to follow the Poisson distribution with mean of 10/h. Each customer is served one at a time and the service time is thought to follow an exponential distribution with a mean of 4 min. Answer the following questions.
(a) What is the probability of having a queue?
(b) What is the average queue length?
(c) What is the average time a customer spends in the system?
(d) What is the probability of a customer spending more than 5 min in the queue before being waited on?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Project Management The Managerial Process

ISBN: 9781260570434

8th Edition

Authors: Eric W Larson, Clifford F. Gray

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