Question: 9.2 (a) Given the data below for a small pipeline project, based on a PERT analysis what is the expected project duration? (b) What is

9.2 (a) Given the data below for a small pipeline

9.2 (a) Given the data below for a small pipeline project, based on a PERT analysis what is the expected project duration? (b) What is the probability of completing this project in 120 days or less? ta t Successor 0 10 18 20 Do Jaun- 18 6 Activity 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 20 Description Start Lead Time Move to Site Obtain Pipes Obtain Valves Lay Out Pipeline Dig Trench Prepare Valve Chambers Cut Specials Lay Pipes Fit Valves Concrete Anchors Finish Valve Chambers Test Pipeline Backfill Cleanup Leave Site 17 0 10 20 30 20 7 25 18 9 20 10 12 8 6 10 3 4 0 10 22 100 70 14 60 31 17 46 12 13 8 7 20 10 5 2 3,4,5 6 8, 9, 10 11 7 8, 10 11 11 12 13, 14 13, 14, 15 17 16 16 17 7 18 8 11 8 5 8 2 3 54-

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