ExpertHard1 markMultiple Choice
PMP · Question 20 · Task 6: Plan and manage schedule
A project manager is developing a schedule for a complex software project with multiple dependencies. The team has provided optimistic, pessimistic, and most likely estimates for key activities. Activity A has estimates of 5, 15, and 8 days respectively. What is the expected duration for Activity A using the PERT formula?
A project manager is developing a schedule for a complex software project with multiple dependencies. The team has provided optimistic, pessimistic, and most likely estimates for key activities. Activity A has estimates of 5, 15, and 8 days respectively. What is the expected duration for Activity A using the PERT formula?
Answer options:
A.
8.0 days
B.
8.5 days
C.
9.3 days
D.
9.0 days
How to approach this question
Apply the PERT formula: (Optimistic + 4×Most Likely + Pessimistic) ÷ 6. Be careful with the calculation and rounding.
Full Answer
B.8.5 days✓ Correct
B
The PERT formula provides a weighted average that emphasizes the most likely estimate: (O + 4M + P) ÷ 6 = (5 + 32 + 15) ÷ 6 = 8.67 days.
Common mistakes
Using simple average instead of PERT formula, calculation errors, or incorrect weighting of the most likely estimate.
Practice the full PMI PMP Practice Exam 6
100 questions · hints · full answers · grading
More questions from this exam
Q01During a sprint retrospective in an agile project, two senior developers engage in a heated argum...HardQ02A project manager is leading a hybrid software development project where the client has stable re...HardQ03A team member who was previously a high performer has shown declining work quality and missed sev...HardQ04An experienced team member approaches the project manager asking for more autonomy in making tech...HardQ05A project team is transitioning from waterfall to agile methodology. Several team members express...Hard