A production manager at a wall clock company wants to test their new wall clocks. The designer claims they have a mean life of 16 years with a variance of 25. If the claim is true, in a sample of 46 wall clocks, what is the probability that the mean clock life would be greater than 17.4 years? Round your answer to four decimal places.

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31-08-2022
SAT

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A production manager at a wall clock company wants to test their new wall clocks. The designer claims they have a mean life of 16 years with a variance of 25. If the claim is true, in a sample of 46 wall clocks, what is the probability that the mean clock life would be greater than 17.4 years? Round your answer to four decimal places.

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