A quality control expert at glotech computers wants to test


A quality control expert at Glotech computers wants to test their new monitors. The production manager claims they have a mean life of 85 months with a variance of 49

If the claim is true, what is the probability that the mean monitor life would be greater than 83.8 months in a sample of 121 monitors? Round your answer to four decimal places.

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Basic Statistics: A quality control expert at glotech computers wants to test
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