A fast-food restaurant has one drive-through window. On average, 40 customers arrive per hour at the window.

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A fast-food restaurant has one drive-through window.

On average, 40 customers arrive per hour at the window. It takes an average of one minute to serve a customer. Assume that interarrival and service times are exponentially distributed.

a. On average, how many customers are waiting in line?

b. On average, how long does a customer spend at the restaurant (from time of arrival to time service is completed)?

c. What fraction of the time are more than three cars in line? (Here, the line includes the car, if any, being serviced.)

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Practical Management Science

ISBN: 9781111531317

4th Edition

Authors: Wayne L. Winston, S. Christian Albright

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Question Posted: Oct 23, 2024 08:05 AM

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A fast-food restaurant has one drive-through window. On average, 40 customers arrive per hour at the window.

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Practical Management Science

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