Mathematics, 16.07.2020 01:01 mia12340

A production manager at a wall clock company wants to test their new wall clocks. The designer claims they have a mean life of 1515 years with a variance of 2525. If the claim is true, in a sample of 4141 wall clocks, what is the probability that the mean clock life would differ from the population mean by more than 0.40.4 years

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A production manager at a wall clock company wants to test their new wall clocks. The designer claim...