Question: 4. A small software development project atKrishna Dhir's firm has five major activities. The times are estimated and provided in thetable below: Activity Immediate Predecessors

4. A small software development project atKrishna Dhir's firm has five major activities. The times are estimated and provided in thetable below:

Activity Immediate Predecessors A M B

A - 2 5 8

B - 3 6 9

C A 4 7 10

D A 2 5 14

E B 3 3 3

a) The expected completion time for this project is ____________

b) The project variance value of completion time is ____________

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