In a CPM network, the critical path has five activities. Their durations are tabulated next.

Duration (Days)

Activity Optimistic (To) Most Likely (Tm) Pessimistic (Tp)

A 4 6 9 D 6 10 15 G 7 11 15 H 10 20 36 M 8 10 14 O 4 5 8 Compute the following:

a. The probability that the project will finish by the end of day 64

b. The probability that the project will finish by the end of day 65

c. The probability that the project will finish before day 60

d. The probability that the project will finish on day 62

e. The probability that the project will finish at least 6 days early

f. The probability that the project will finish no more than 4 days late g. The completion date with at least a 95% confidence level