Question

Which of the following distribution represents the time estimates in PERT ?

• A. Poisson distribution
• B. Normal distribution
• C. Beta distribution
• D. Weibull distribution

Answer 1

Answer:

C. Beta distribution

PERT estimates use Beta distribution to calculate expected duration of an activity. It considers optimistic, most likely and pessimistic time. Poisson distribution predicts the probability of certain events happening.