A Project Being Analyzed by PERT Has 60 Activities, 13

Multiple Choice

A project being analyzed by PERT has 60 activities, 13 of which are on the critical path. If the estimated time along the critical path is 214 days with a project variance of 100, what is the probability that the project will take less than 224 days to complete?

A) near zero
B) 0.0126
C) 0.1587
D) 0.8413
E) 2.14