Question: Given the following information, determine the sample size needed if the standard time estimate is to be within 5% of the true mean 97% of

Given the following information, determine the sample size needed if the standard time estimate is to be within 5% of the true mean 97% of the time. Standard Mean Work Deviation Observed Time Element (minutes) (minutes) 1 0.20 1.10 234 0.10 0.80 0.15 0.90 4 0.10 1.00

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