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Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean...

Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 130 millimeters, and a variance of 64.

If a random sample of 34 steel bolts is selected, what is the probability that the sample mean would be greater than 132.5 millimeters? Round your answer to four decimal places

Math   Statistics-And-Probability   
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