Activity 4 in a network diagram has an optimistic duration estimate of 4 days,a most likely duration estimate of 7 days,and a pessimistic duration estimate of 10 days.The expected duration of Activity 4 is:
A)5
B)6
C)7
D)8
E)9

Question

Quizplus · Accepted Answer

The expected duration can be calculated using the PERT formula: (Optimistic + 4(Most Likely) + Pessimistic) / 6. For Activity 4, this is (4 + 4(7) + 10) / 6 = 7 days.

Activity 4 in a Network Diagram Has an Optimistic Duration