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A manager at Localtel, a small telephone company, wants to determine the average time it takes service technicians to perform a certain repair. A margin of error of 0.25 minutes is required. In the past, an almost identical repair required 17.5 minutes, with a standard deviation of 0.83 minutes. Compute the sample size needed to estimate the average repair time with 99 percent confidence.

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Operation Management, Management Studies

Category:- Operation Management
Reference No.:- M92274696

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