An initial time study resulted in an average observed time

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An initial time study resulted in an average observed time of 1.4 minutes per cycle, and a standard deviation of .5 minutes per cycle. The performance rating was 1.05. What sample size, including the observations in the initial study, would be necessary to have a confidence of 98 percent that the observed time was within 2 percent of the true value?

Reference no: EM13721151

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