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Mathematics, 14.04.2020 22:32 bharadwajp9943

A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have a variance of 3364 with a mean life of 530 minutes. If the claim is true, in a sample of 75 batteries, what is the probability that the mean battery life would be greater than 533.2 minutes? Round your answer to four decimal places.

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A quality control expert at LIFE batteries wants to test their new batteries. The design engineer cl...
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