Which of the following statements regarding PERT analysis is NOT true?
A) Each activity has three estimates of its duration.
B) Project variance is the sum of all critical 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 different from the expected activity time.

Question

Quizplus · Accepted Answer

Project standard deviation is not the sum of all critical activity standard deviations but rather the square root of the project variance.

Which of the Following Statements Regarding PERT Analysis Is NOT