By using PERT technique, answer all of the following points: 1- Develop the network diagram 2- Define the critical path and the total project duration 3- In which week, the probability of completion the project would be 95% Activity Preceding Activity a, Weeks m, Weeks b, Weeks A 4.5 8.5 9.5 , , D 5 7 9 C 7.5 8.5 12.5 --- D G 5 7 E 8 11 14 F G 10.5 12 13.5 G 10.5 14.5 15.5 ----- H G 11 15 19 I 6 8 10 J I 5.5 6,5 K ,, F , , F, H,J B, E, F, H, J 11.5 12.5 16.5 10.5 12 13.5 M 13 16 19 N I 9 10 17 M 16 17.5 22 L, M, N 12 13 14 M 11 14 17 R K,O 11.5 15 18,5