B 8 9 12 9 9 8 4 4 N (65 points) The project ABC given the following network with activity times in weeks Activity A D E F G H 1 J Most likely 15 14 10 6 17 12 estimation Optimistic 2 4 3 8 4 3 5 7 estimation Pessimistic 16 16 11 15 16 15 16 27 16 14 estimation Predecessor F, G, A A E Activity H a. Determine the earliest start and finish times, latest start and finish times for each activity. (10 points) b. What is the value of total slack times? (show your works as well). (15 points) c. Indicate the critical path and the expected project completion time. (10 points) d. Rank and name the three highest priority activities, explain why. (15 points) e. What is the probability the project can be completed within 36.3 weeks? (15 points) A BD