Question 4) Consider the network described in the table below. Activity Optimistic K L M N O Immediate Predecessor(s) Pessimistic 15 9 J 10 3 KM 9 KM 10 LN 10 Probable 10 8 6 3 5 7 8 7 5 3 1 4 3 A) Draw the Network: Not: You should use the EXCEL sheet below to fill the table including all blanks with the correct numbers and then attach it again under this question! ... E! Final exam solution sheet.xlsx Task Early Start Early! Finish Late Finish Slack Late Start Expected Time Variance J K L M N 0 P C) What are the critical path activities? D) What is the project completion time? E) Calculate the project variance and standard deviation. F) What is the probability of the project to be finished within 15 days?, Present the analysis! G) F) What is the probability of the project to be finished within 21 days?, Present the analysis! H) F) What is the probability of the project to be finished during 29 days?, Present the analysis