MBA 7730 Simulation for business analysis

I’m stuck on a Statistics question and need an explanation.

You will be expected to submit a fully functional, and clearly labeled Excel spreadsheet that uses a separate worksheet within the spreadsheet for each problem.

Your spreadsheet will be expected to include the complete data set used and a complete copy of all calculations or other work you have performed to derive your answers for each problem

note: follow the methods indicated in the text solve the problems (https://vulms.vu.edu.pk/Courses/CS620/Downloads/Discrete%20Event%20System%20Simulatio%20-%20Jerry%20Banks.pdf)

Text: Discrete events simulation 5ed