You determine the critical path in a CPM network consists of only five activities. You then compute the variances for the five critical path activities and these variances are 3, 4, 2, 1, and 6 days. If the desired completion date for the project is 46 days and the expected completion date for the project is 43 days, what is the probability that the project will be completed by the desired completion date?
Select one:
a. 0.2266
b. 0.248
c. 0.2734
d. 0.7486
e. 0.7734