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

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quality control expert at LIFE batteries wants to test their new batteries The design engineer claims they have a variance of 8464 with a mean life of 886 minutes f the claim is true in a sample of 145 batteries what is the probability that the mean battery life would differ from the population mean by less than 13 4 minutes Round your answer to four decimal places

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