Question

Which probability distribution is commonly used to model the inherent variability of activity time estimates in project management

Answer 1

Answer:

Beta distribution

Explanation:

Beta distribution In probability theory

is regarded as a part of continuous probability distributions with a defined interval which could be 0 and 1, and it is characterized with two positive parameters (α and β) which is seen as

as exponents of the random variable .

It should be noted that Beta distribution probability is commonly used to model the inherent variability of activity time estimates in project management