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Thompson and Thompson is a steel bolt manufacturing company. Their current steel bolts have a mean diameter of 131 millimeters and a standard deviation of

Thompson and Thompson is a steel bolt manufacturing company. Their current steel bolts have a mean diameter of 131 millimeters and a standard deviation of 8. If a random sample of 50 steel bolts is selected what is the probability the sample mean would be greater than 119.3 millimeters.

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