A local project being analyzed by PERT has 32 activities, 8 of which are on the critical path. If the estimated time along the critical path is 55 days with a project variance of 25, the probability that the project will be completed in 60 days or less is:

Select one:

a. 0.14686

b. 0.0668

c. 0.1588

d. 0.9332

e. 0.8413