Question: Activity Preceding activity Pessimistic time estimates (Weeks) 6 5 A B Optimistic time Most Likely time estimates (Weeks) estimates (Weeks) 3 5 2 4 4

Activity Preceding activity Pessimistic time

Activity Preceding activity Pessimistic time estimates (Weeks) 6 5 A B Optimistic time Most Likely time estimates (Weeks) estimates (Weeks) 3 5 2 4 4 6 3 5 5 7 A, C A 8 D 7 9 E BD a. Draw an AON diagram based on the activities and their relationships given in the table. (1.5 mark) b. Determine the expected time estimates for all the activities. (1.5 mark) c. Determine the expected length of the critical path and project (1 mark) d. Determine the total variance of the critical path. (1 mark) e. What is the probability that the project can be completed within 25 weeks? (1 mark)

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