Question: 1. (15 points) Pessimistic Time (P.T.) Immediate Activity Predecessor NONE B D BC E F DE ca Optimistic Time (0.1. 4 2 6 5 2

1. (15 points) Pessimistic Time (P.T.) Immediate Activity Predecessor NONE B D BC E F DE ca Optimistic Time (0.1. 4 2 6 5 2 3 Mostly Likely Time (M.T.) 7 4 9 5 5 3 9. 6 9 5 9 6 Wnion (a) What is the expected time for each activity? (2 points) (b) What is the variance for each activity? (2 points) Use both the longest path method and ES EF; LS LF method for questions (c), (d) and (e) () What is the expected project completion time? (2 point) (d) What are the critical activities? (1 points) (e) What are the slack values for non-critical activities? (4 points) The Longest Path Method ES EF LS LF Expected project finish time Critical activities Non-critical activities slack values (1) What is the probability that the project will be completed in 26 weeks? (keep 4 decimal points) (2 points) (g) What is the probability that the project will be completed in 23 weeks? (keep 4 I decimal points) (2 points)

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