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Business, 16.07.2020 22:01 DnsMonsteR3462

A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have a variance of 3844 with a mean life of 997 minutes. If the claim is true, in a sample of 73 batteries, what is the probability that the mean battery life would be greater than 981.7 minutes?

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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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