Question
The quality control manager at a computer manufacturing company believes that the mean life of a computer is 88 months, with a variance of 81.
The quality control manager at a computer manufacturing company believes that the mean life of a computer is 88 months, with a variance of 81.
If he is correct, what is the probability that the mean of a sample of 84 computers would be less than 86.51 months? Round your answer to four decimal places.
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Calculus Single And Multivariable
Authors: Deborah Hughes Hallett, Andrew M Gleason, William G McCallum, Daniel E Flath, Patti Frazer Lock, Sheldon P Gordon, David O Lomen, David Lovelock, Brad
6th Edition
1118475712, 9781118475713
