D Question 2: A project is split in to 10 activities (A, B, ..., I, and J). The activity times (optimistic, most likely and pessimistic) and immediate predecessors of each activity are given in the table below: Immediate Time (weeks) Activity Predecessor(s) optimistic most likely pessimistic A 2 3 4 B A 1 2 3 A 2 6 10 1 2 3 E A 1 3 5 F B 2 3 4 G C 5 7 H 0.5 1 1 F,H 2 3 4 J 1 1 2 3 a. Find the mean time to complete this project. b. Find the probability of completing the project in 18 weeks. C. Find the deadline for this project to promise such that there is 95% chance that the project will meet the deadline. 3 3 1.5