# Question: how many work cycles should be timed to estimate the...

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How many work cycles should be timed to estimate the average cycle time to within 1 percent of the sample mean with a confidence of 94 percent if a pilot study yielded these times (minutes): 5.2, 5.5, 5.8, 5.3, 5.5, and 5.1? The standard deviation is .253 minutes per cycle.

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