The ages of u.s. aircraft have a mean of 13.0 years and a, Ask an Expert

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The ages of U.S. aircraft have a mean of 13.0 years and a standard deviation of 7.9 years. If the Federal Aviation Administration randomly selects 35 commercial aircraft for special stress tests, find the probability that the mean age of this sample is greater than 15 years.

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Category:- Statistics and Probability
Reference No.:- M9374406

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