10 7, 10, 12 7, 10, 13 A PERT network for a project is shown below:...

 

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10 7, 10, 12 7, 10, 13 A PERT network for a project is shown below: a. Find the expected duration of each activity. b. Find the expected duration of the critical path. c. Find the critical path. d. Find the slack at each node. 20 30 9, 11, 13 8, 14, 20 6, 15, 21 40 50 12, 15, 17 5, 9, 15 6, 10, 16 70 60 7, 9, 13 3,7,11 80 12, 16, 25 9, 15, 18 90 10 7, 10, 12 7, 10, 13 A PERT network for a project is shown below: a. Find the expected duration of each activity. b. Find the expected duration of the critical path. c. Find the critical path. d. Find the slack at each node. 20 30 9, 11, 13 8, 14, 20 6, 15, 21 40 50 12, 15, 17 5, 9, 15 6, 10, 16 70 60 7, 9, 13 3,7,11 80 12, 16, 25 9, 15, 18 90