Question

Thompson and Thompson is a steel bolts 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

Answer 1

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:

`\begin{gathered} 0.\text{ 0016} \\ (\text{ correct to 4 decimal places\rparen} \end{gathered}`