Which of the Following Statements Is Incorrect About the PERT

Multiple Choice

Which of the following statements is incorrect about the PERT method of project scheduling?

A) PERT requires three time estimates for scheduling a given activity.
B) PERT assumes that the actual activity times are distributed according to the beta probability distribution.
C) PERT assumes that the statistical variation in total project completion times can be computed by multiplying variances along the critical path.
D) None of the above