Question: 9.17. The following probabilistic activity time estimates are for the network in Problem 9.6: Time Estimates (Months) Activity a m b 1 4 8 12

9.17. The following probabilistic activity time estimates are for the network in Problem 9.6:

Time Estimates (Months)

Activity a m b

1 4 8 12

2 6 10 15

3 2 10 14

4 1 4 13

5 3 6 9

6 3 6 18

7 2 8 12

8 9 15 22

9 5 12 21

10 7 20 25

11 5 6 12

12 3 8 20

Determine the following:

a. Expected activity times

b. Earliest start and finish times

c. Latest start and finish times

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