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Mechanical Engineering · Q311

Industrial Engineering And Production Management

Engineering and GATE · Mechanical Engineering · question 311

Q311

The probability distribution of activity times in PERT follows following distribution

A.
Normal
B.
Binomial
C.
Beta
Answer
D.
Exponential

Answer: Option C

Solution

Answer: Option C
Solution:
The PERT distribution produces a bell-shaped curve that is nearly normal. It is essentially a Beta Distribution that has been extended to the maximum and minimum and given strict definitions for the mean and variance