With projects for which there is a high degree of uncertainty about the estimated durations for activities, it is possible to use three time estimates:
A) an original estimate, a petrified estimate, and a most likely estimate.
B) an optimistic estimate, a pessimistic estimate, and a most likely estimate.
C) an optimized estimate, a primary estimate, and a most likely estimate.
D) an opportunity estimate, a pragmatic estimate, and a most likely estimate.

Question

Quizplus · Accepted Answer

The three time estimates commonly used for projects with high uncertainty are the optimistic estimate, the pessimistic estimate, and the most likely estimate. These three estimates are used to calculate the expected duration of an activity using the Program Evaluation and Review Technique (PERT).

With Projects for Which There Is a High Degree of Uncertainty