Question: Activity Immediste Predecessors Optimistic (a) Most likely (m) Pessimistic (b) Expected Time (t) Variance A 3 6 8 5.83 0.69 B A 5 8 10

Activity Immediste Predecessors Optimistic (a) Most likely (m) Pessimistic (b) Expected Time (t) Variance
A 3 6 8 5.83 0.69
B A 5 8 10 7.83 0.69
C A 5 6 8 6.17 0.25
D B,C 1 2 4 2.17 0.25
E D 7 11 17 11.33 2.78
F D 7 9 12 9.17 0.69
G D 6 8 9 7.83 0.25
H F,G 3 4 7 4.33 0.44
I E,F,G 3 5 7 5.00 0.44

a) What is the probability the project will be completed in less than 32 weeks?

b) What time should be set such that there is a 95% chance of completion?

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