SOLUTION:
Step 1:
In this question, we are given the following:
Thompson and Thompson is a steel bolt manufacturing company.
The current steel boats have a mean diameter of 140 mm and a variance of 36.
If a random sample of 50 steel bolts is selected.
What is the probability that the mean would be greater than 142.5 mm?
Round your answer to four decimal places.
Step 2:
The details of the solution are as follows:
CONCLUSION:
The final answer is:
