Suppose the critical path in the PERT method has mean 50 days and variance 100.

Then the probability that the project completion time will be 70 days or less is approximately

Group of answer choices

a. 98%

b. 50%

c .100%

The PERT method of computing the project completion time assumes that

Group of answer choices

a. the duration of each path is a bell curve.

b. the duration of each activity is a bell curve.