Historic records show that the mean duration of all activity is expected to be 8 days...
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Historic records show that the mean duration of all activity is expected to be 8 days with a standard deviation of 2.4 days. What duration should be used if there is to be a 95% confidence that the duration will not be exceeded? What is the probability that the duration will actually exceed 10 days? Historic records show that the mean duration of all activity is expected to be 8 days with a standard deviation of 2.4 days. What duration should be used if there is to be a 95% confidence that the duration will not be exceeded? What is the probability that the duration will actually exceed 10 days?
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