In the following table, task durations are given in days: a) Find the expected time and variante for each activity [zpt] b) What is the estimated expected (mean) time for project completion? Show all the steps that vou use to solve thit problem in the space provided (2pt) 4) Find the probability that the project will be completed on or before 65 days. Reund off decimal numbers to the nearest hundredths. Show all the steps that you use to solve this problem in the soace provided (No ticel) (2pt). d) Find the number of days required to assure a 95 percent of chance of completion. Round off decimal numbers to the nearest hundredths. Show all the steps that you use to solve this probiem in the spsce provided (No fxcel) (2pt). e) Find the probability that the project will be at leant 3 days late? Show all the steps that you use to solve this problem in the space provided (No Frcel) (2pt)