Mathematics, 27.02.2021 06:20, makaylamsikahema

The quality control manager at a computer manufacturing company believes that the mean life of a computer is 84 months, with a variance of 100. If he is correct, what is the probability that the mean of a sample of 99 computers would be less than 86.8 months? Round your answer to four decimal places.

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The quality control manager at a computer manufacturing company believes that the mean life of a com...