Question: consider the following work breakdown structure Activity Start Node Finish Node Optimistic Duration (days) Pessimistic A 1 2 41 50 59 B 1 3 54

consider the following work breakdown structure

Activity Start Node Finish Node Optimistic Duration (days) Pessimistic
A 1 2 41 50 59
B 1 3 54 60 66
C 2 4 58 70 82
D 3 4 32 41 44

what is the estimated expected (mean) time for activity D?

a. 44 days

b. 41 days

c. 32 days

d. 40 days

e. 42 days

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