Unit loads arrive randomly at a quality control station. Two inspectors are located at the station; the

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Unit loads arrive randomly at a quality control station. Two inspectors are located at the station; the inspection time is exponentially distributed with a mean of 10 minutes.

Loads arrive at a Poisson rate of 10 per hour.

a. What is the probability of both inspectors being idle?

b. What is the average number of units loads waiting to be inspected?

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Facilities Planning

ISBN: 9780470444047

4th Edition

Authors: James A. Tompkins, John A. White, Yavuz A. Bozer, J. M. A. Tanchoco

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