An operation manager at an electronics company wants to test their amplifiers. The design engineer claims they have a mean output of 145 watts with a variance of 144. N= 145 What is the probability...

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Extracted text: An operation manager at an electronics company wants to test their amplifiers. The design engineer claims they have a mean output of 145 watts with a variance of 144. N= 145 What is the probability that the mean amplifier output would be greater than 146.9 watts in a sample of 97 amplifiers if the claim is true? Round your answer to four decimal places. Answer: