Mathematics, 07.06.2020 04:00 Adones7621
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 141 millimeters, and a standard deviation of 7. If a random sample of 39 steel bolts is selected, what is the probability that the sample mean would be greater than 141.4 millimeters
Answers: 2
= sample mean diameter
~ N(0,1)
= population mean diameter = 141 millimetres
= standard deviation = 7 millimetres
) = P(Z > 0.36) = 1 - P(Z 
0.36)
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Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean...
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