Using the following project information

The critical path is A-C-E-G-I-J.
(a) Calculate the probability that the project will be completed in 38 weeks.
P(project 38) =
(b) Calculate the probability that the project will be completed in 42 weeks.
P(project 42) =

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Optimistic Time Expected Activity Most Pessimistic Immediate Variance Likely Predecessor(s) Estimate(weeks) Time Time Time Estimates (weeks) Estimates (weeks) (weeks) 1.000 6.00 A 9. none B 3 5 A 0.444 5.00 4 12 A. 1.778 7.33 D 8. 10 1.000 7.67 10 16 3.361 10.17 D,E 4 0.111 4.00 D,E 0.694 5.83 Н 6. 10 0.694 6.33 8 11 1.000 8.00 Н 0.000 3.00 3. 6. 3. 4. 3. 3.