NEED SOLUTION WITHIN 40/50 MINUTES WITH STEP BY STEP APPROACH to get UPVOTE.

Exercice 8: The time required to assemble a computer model is normally distributed with an average of 590 minutes. To reduce this time, the manager of company urges his workers to follow a training course. For this, he selects at random 11 workers and records the time it takes them to assemble a computer. He obtains: 620 540 579 603 570 598 587 530 595 629 550 Using the p-value, can the manager of this company conclude that the internship was profitable? Use a significance level of 10%