In the Project Network Presented Below, Numbers on Each Arrow

Essay

In the project network presented below, numbers on each arrow refer to the expected time and standard deviation in weeks for that particular activity. For example, "8,2" indicates an activity with an expected time of 8 and a standard deviation of two weeks. For this project, determine each of the following:
(A) the activities which are on the critical path
(B) the expected project duration
(C) the probability that the project will be completed in 29 weeks or less