A job has been time-studied for 20 observations. The mean actual time was 5.83 minutes, and the
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A job has been time-studied for 20 observations. The mean actual time was 5.83 minutes, and the standard deviation of the times is estimated to be 2.04 minutes.
How many total observations should be taken for 95 percent confidence that the mean actual time has been determined within 10 percent?
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Related Book For 
Operations Management Providing Value In Goods And Services
ISBN: 9780030262074
3rd Edition
Authors: Dilworth, James B
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