Mathematics, 19.10.2020 04:01 ivanyeli4520

The quality control manager at a computer manufacturing company believes that the mean life of a computer is 120 120
months, with a standard deviation of 10
10
months.

If he is correct, what is the probability that the mean of a sample of 90
90
computers would differ from the population mean by less than 0.85
0.85
months? Round your answer to four decimal places.

Answers: 2

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