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Question 5 of 15. Step 1 of 1 4/15 Correct Thompson and Thompson is a steel...


Question 5 of 15. Step 1 of 1 4/15 Correct Thompson and Thompson is a steel bolts manufacturing company. Their current steel
Question 5 of 15. Step 1 of 1 4/15 Correct 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 7 millimeters If a random sample of 38 steel bolts is selected, what is the probability that the sample mean would be less than 140.7 millimeters? Round your answer to four decimal places. Tables Keypad Answer How to enter your answer Submit Answer 2020 Hawkes Learning Type here to search он не во»
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Answer #1

WORLD STAR Given A l = 139 S= 7 n = 38 Here, we want to calculate PCXL140.7) PX<140.7) = PEX el 140.7-139. 7138 - P(Z < 1.497

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