How many work cycles should be timed to estimate the average

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Question: How many work cycles should be timed to estimate the average cycle time to within 2 percent of the sample mean with a confidence of 90.0 percent if a pilot study yielded these times (minutes): 5.3, 5.8, 5.8, 5.1, 6.1, and 4.67 The standard deviation is 0.554 minutes per cycle. (Use the "mean time" value to 2 decimal places and other values to 3 decimal places for intermediate calculations

Reference no: EM133441578

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