Activity Predecessors Optimistic Time Most Likely Time Pessimistic Time Based on the given data, complete the following tasks: A nil 2 4 6 a. Establish an AOA or AON diagram. B A 3 7 10 C A 2 3 5 b. Compute the expected time for each D B 4 7 9 activity and each path, and identify E D 12 16 20 the critical path. F 2 5 8 C. Compute the variance of each G E&F 2 2 2 activity and the standard deviation H G 2 3 4 of each path. I G 2 3 5 J H&I 2 4. 6 d. Compute the probability of K J 2 2. 2 completing project (along critical path) within 48 weeks