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An operation manager at an electronics company wants to test their amplifiers.The design engineer claims they have a mean output of 331 watts with a

An operation manager at an electronics company wants to test their amplifiers.The design engineer claims they have a mean output of 331 watts with a variance of 144.

What is the probability that the mean amplifier output would be greater than 332.8 watts in a sample of 49 amplifiers if the claim is true? Round your answer to four decimal places.

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