Question: QUESTION 7 A project consists of five activities with variable time of completion. Given following schedule of activities for this project, Activity Immediate Optimistic Most

QUESTION 7 A project consists of five activities

QUESTION 7 A project consists of five activities with variable time of completion. Given following schedule of activities for this project, Activity Immediate Optimistic Most Probable Pessimistic Predecessor Activities Time (hr) Time (hr) Time (hr) A 2 4 6 B 1 3 5 5 A, B 5 7 9 D A 3 5 7 E B, C 4 6 8 8 What is the expected ES, EF, LS, and LF for activity D? OA. ES = 4 EF = 5 LS = 3 LF = 7 EF = 16 LS = 12 LF = 17 C. ES = 4 EF = 9 LS=4 LF = 9 D. ES = 4 EF = 9 LS = 12 LF = 17 OB. ES = 11

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