Question: A time study has revealed an average observed time of 5 minutes, with a standard deviation of 1.25 minutes. These figures are based on a

A time study has revealed an average observed time of 5 minutes, with a standard deviation of 1.25 minutes. These figures are based on a sample of 75 cycles. Is this sample large enough for analyst Anand Paul to be 99.73% confident that the standard time is within 5% of the true value?

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