With probabilistic time estimates, when we calculate the expected time for an activity, we treat each activity time estimate as a random variable derived from a ______________ probability distribution.

With probabilistic time estimates, when we calculate the expected time for an activity, we treat each activity time estimate as a random variable derived from a ______________ probability distribution.

With probabilistic time estimates, when we calculate the expected time for an activity, we treat each activity time estimate as a random variable derived from a ______________ probability distribution.



a) normal

b) beta

c) gamma

d) Poisson

e) uniform



Answer: b


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