The following represents a project that should be scheduled using CPM:
Time (DAYS)
Activity Immediate Predecessors a m b
A - 1 3 5
B - 1 2 3
C A 1 2 3
D A 2 3 4
E B 3 4 11
F C, D 3 4 5
G D, E 1 4 6
H F, G 2 4 5
a. Draw the network
b. What is the critical path?
c. what is the expected project completion time?
d. What is the probability of completing this project within 16days?
Any and all help will be quite helpful