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Question 22 A dishwasher has a mean lifetime of 11 years with an estimated standard deviation of 2 years. The lifetime of a dishwasher

Question 22 A dishwasher has a mean lifetime of 11 years with an estimated standard deviation of 2 years. The lifetime of a dishwasher is normally distributed Suppose you are a manufacturer and you take a sample of 11 dishwashers that you made. Find the probability that the sample would have a mean lifetime less than 9.62 years? Round to four decimal places.

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