Question: urgent please Activity Predecessor A1 A2 A3 A4 A5 A1 A2 Optimistic Most Likely Pessimistic (weeks) (weeks) (weeks) 2 3 4 3 4 11 6

urgent please urgent please Activity Predecessor A1 A2 A3 A4 A5
Activity Predecessor A1 A2 A3 A4 A5 A1 A2 Optimistic Most Likely Pessimistic (weeks) (weeks) (weeks) 2 3 4 3 4 11 6 9 12 3 5 7 4 10 16 3 6 5 8 11 5 6 2 6 10 A6 15 AZ A8 A9 A2 A3, A4 A4 A4, A5 A6, A7, A8 13 Given the activity relationships and their optimistic, most likely and pessimistic durations; a) Draw project network diagram using Activity-on-Arrow method. b) What is the estimated project duration and the critical path? c) What is the probability that the project will be completed in 32.583 weeks ? d) What is the probability that the project will be completed in 26.931 weeks ? Note: Show early start, early finish, late start, late finish clearly

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