Supervisor Kenneth Peterson wants to determine the percentage of time a machine in his area is idle.

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Supervisor Kenneth Peterson wants to determine the percentage of time a machine in his area is idle. He decides to use work sampling, and his initial estimate is that the machine is idle 20%

of the time. How many observations should Peterson take to be 98%

confident that the results will be less than 5% from the true results? lop25

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Operations Management Sustainability And Supply Chain Management

ISBN: 9781292295039

13th Global Edition

Authors: Jay Heizer, Barry Render, Chuck Munson

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