Question: Mean Variance BA360 Exercise on PERT Consider the network described in the table below. (Time is in days) Immediate Activity Predecessor(s) Pessimistic Probable Optimistic J

Mean Variance BA360 Exercise on PERT Consider the network described in the table below. (Time is in days) Immediate Activity Predecessor(s) Pessimistic Probable Optimistic J 15 10 8 K 9 8 7 L J 10 6 5 M J 3 3 3 N K.M 9 5 1 O KM 10 7 4 10 3 .11 8 6.5 3 5 7 7.5 .69 0 1.78 1 L.N 8 1.36 day. a. The critical activities are b. For activity O, the earliest starting time is on the day, and the latest finishing time is on the c. The expected completion time for the project -- days; variance of the completion time = d. What is the probability that the critical path will be finished in 28 days or less? e. What is the probability that the critical path will be finished in 24 days or less? f. Number of days that would result in 99% probability of completion days

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