A group of randomly selected 50 sales representatives from a company this year had an average sales of $107.5 million this year. Assume the standard deviation of sales is stable at $20.5 million.

9.Use your data to find a range of likely values for average sales for all representative in the entire company using StatCrunch. Verify with your own calculations and show your work.

11.Scores on an MBA placement exam are reported to have a normal distribution with standard deviation 18. The exam officials stated that the average score for all students was 70. You take a random sample of 50 students and find their average score is 67. Use your data to estimate the mean score for all students taking the MBA placement exam using StatCrunch. Verify your answer using calculations and show your work.

(I have statcrunch I just need the calculations and answers so I can plug it in! plz)