ExpertHard1 markShort Answer
PMP · Question 018 · Task 6: Plan and manage schedule
A project has the following activity duration estimates: Activity A (Optimistic: 3, Most Likely: 5, Pessimistic: 13). Using the Beta (PERT) distribution, what is the expected duration for Activity A? (Enter the number only).
A project has the following activity duration estimates: Activity A (Optimistic: 3, Most Likely: 5, Pessimistic: 13). Using the Beta (PERT) distribution, what is the expected duration for Activity A? (Enter the number only).
How to approach this question
Use the PERT formula: (O + 4M + P) / 6.
Full Answer
(3 + 4*5 + 13) / 6 = (3 + 20 + 13) / 6 = 36 / 6 = 6.
Common mistakes
Using the triangular distribution (O+M+P)/3.
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