a) Draw a network diagram to represent the project.

[3 marks]

b) Compute the expected times and variance for each activity time.

[3 marks]

c) What is the expected completion time for project and the associated critical path?

[5 marks]

d) Calculate the variance in the expected completion time for the project.

[3 marks]

e) Find the probability that the project will be completed within 43 weeks.

[3 marks] f) What will happen to the project duration and the critical path if activity D is delayed by 2 weeks?

[3 marks]

Question 6 Total: 20 Marks/ Indah Corp has undertaken a project that involves eleven main activities. For easy reference, the activities are names A to L. The management team has identified the immediate predecessor activity/activities and estimated times for each activity. The information summary is given in the table below: Activity Immediate Activity Time (weeks) Optimistic Most likely Pessimistic A 8 13 18 B 6 8 10 A 2 4 6 D B 8 11 14 E 7 10 13 F E 4 6 8 G 4 12 20 H D,F,G 4 6 8 I E 6 9 12 J 3 4 5 K IJ 2 4 6 Continued