The main difference between PERT and CPM is that
A) PERT is more accurate than CPM
B) PERT assumes that activity durations are known
C) PERT ignores activity costs
D) CPM assumes that activity durations can vary
E) None of the above are true

Question

Quizplus · Accepted Answer

Both PERT (Program Evaluation and Review Technique) and CPM (Critical Path Method) are project management tools that help in planning, scheduling, and controlling complex projects. The main difference between them is not accurately represented by any of the given options. PERT typically deals with uncertain activity times, using probabilistic time estimates, while CPM generally uses fixed time estimates. However, none of the options correctly capture this distinction or any other fundamental difference between the two methods.

The Main Difference Between PERT and CPM Is That