Question: b) Following is the activity schedule as in Table 2 for a project to be planned and managed by PERT Table 2: Activity Table for

b) Following is the activity schedule as in Table

b) Following is the activity schedule as in Table 2 for a project to be planned and managed by PERT Table 2: Activity Table for project managed by PERT Activity Times (days) Immediate predecessor a m b A 5 7 9 B 5 7 15 B- 0.5 2 3.5 D A, B, - 2 6.5 8 E AB 6 9 12 F B 2 3 4 G CD 4.5 6 7.5 H E 1 4 7 I F 7 9 11 i. Prepare the network diagram. (6 Marks) ii. Determine the project average time and critical path sequence from network analysis (forward and backward pass). (8 Marks) iii. Calculate the project time standard deviation value to two decimal places. (2 Marks) iv. The manager would be concerned if there were greater than 5% probability that the project completion will exceed 25 months. Should she be worried? Clearly show supporting probability computations

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