Which of the following statements regarding PERT analysis is true?
A)Each activity has two estimates of its duration.
B)Project variance is the sum of all activity variances.
C)Project standard deviation is the sum of all critical activity standard deviations.
D)Only critical activities contribute to the project variance.
E)The most likely time is equivalent to the expected activity time.

Question

Quizplus · Accepted Answer

In PERT analysis, only critical activities contribute to the project variance because they determine the project's duration. Non-critical activities have slack and do not affect the overall project variance.

Which of the Following Statements Regarding PERT Analysis Is True