Q2 A project has the specifications shown in the following table: Activity Immediate Predecessors al bm Mean St. Dev.Var. A None 51726 B A 622 15170 D 5111 E 1816 A B DE G H F 95 SELES 511261 GH 4. Develop a project network. (Marks 2) b. Determine the expected project completion time. (Marks 4) What is the probability that the project completion time will be completed? With in 2 weeks earlier than the expected project completion time? (Marks 2) With in 1.5 week more than the expected project completion time? (Marks 2)