When activity times are uncertain,
A) assume they are normally distributed.
B) calculate the expected time, using (a + 4m + b)/6.
C) use the most likely time.
D) calculate the expected time, using (a + m + b)/3.

Question

Quizplus · Accepted Answer

The formula (a + 4m + b)/6 is used to calculate the expected time in PERT (Program Evaluation and Review Technique), which accounts for uncertainty by considering optimistic (a), most likely (m), and pessimistic (b) time estimates.

When Activity Times Are Uncertain