Question: 2. (25 points) Use the information in the table to complete the following tasks. Activity Description Predecessors Duration A Preliminary design --- 6 B Evaluation

2. (25 points) Use the information in the table to complete the following tasks. Activity Description Predecessors Duration A Preliminary design --- 6 B Evaluation of design A C Contract negotiation --- 8 D Preparation of fabrication plant C ? ? E Final design B. C 9 F Fabrication of product D, E 12 G Shipment of product to owner F 3 . Estimate the duration of activity D using the PERT method, knowing that it has an optimistic time estimate of 3 days, a most likely estimate of 4 days, and a pessimistic estimate of 11 days. . Draw a Network Diagram of this project (you can use drawings in Word) . Find the critical path and the shortest time to complete this project . Calculate the ES, LS, EF, LF, and Slack time for each task in the network (you can enter such information into the boxes of tasks on the network diagram)

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