Discuss the below:
Q. Given the following network with activities and times estimated in days.
Activity
Optimistic Most Probable
Pessimistic
A 2 5 6
B 1 3 7
C 6 7 10
D 5 12 14
E 3 4 5
F 8 9 12
G 4 6 8
H 3 6 8
I 5 7 12
J 12 13 14
K 1 3 4
a. What are the critical path activities?
b. What is the expected time to complete the project?
c. What is the probability the project will take more than 28 days to complete?