Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 139 mill
Posted: Sun Sep 05, 2021 5:11 pm
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 139 millimeters, and a standard deviation of 8 millimeters. If a random sample of 44 steel bolts is selected, what is the probability that the sample mean would be less than 142.6 millimeters? Round your answer to four decimal places