Question 7.SP.2: A time study analyst wants to estimate the number of observa...

Operations Management [1005877]
Operations Management

A time study analyst wants to estimate the number of observations that will be needed to achieve a specified maximum error, with a confidence of 95.5 percent. A preliminary study yielded a mean of 5.2 minutes and a standard deviation of 1.1 minutes. Determine the total number of observations needed for these two cases:

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