The Expected Time in PERT Is

Multiple Choice

The expected time in PERT is

A) a weighted average of the most optimistic time,most pessimistic time,and four times the most likely time.
B) the modal time of a beta distribution.
C) a simple average of the most optimistic,most likely,and most pessimistic times.
D) the square root of the sum of the variances of the activities on the critical path.
E) None of the above