The formula for the expected time of an activity in a network assumes that the optimistic, pessimistic, and most likely time estimates have a beta distribution.

Question

Quizplus · Accepted Answer

The formula for the expected time of an activity in project management, specifically in PERT (Program Evaluation and Review Technique), indeed assumes a beta distribution for the optimistic, pessimistic, and most likely time estimates. This formula is (optimistic + 4*(most likely) + pessimistic) / 6.

The Formula for the Expected Time of an Activity in a Network