=12-17 Automobiles arrive at the drive-through window at a post office at the rate of 4 every

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=12-17 Automobiles arrive at the drive-through window at a post office at the rate of 4 every 10 minutes. The average service time is 2 minutes. The Poisson distribution is appropriate for the arrival rate and service times are exponentially distributed.

(a) What is the average time a car is in the system?

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Quantitative Analysis For Management

ISBN: 9789332578692

12th Edition

Authors: Barry Render, Ralph M. Stair, Michael E. Hanna

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