1. Given the following information, draw the project network diagram compute the ,early , late and slake time for each activity. Identify the critical path (CP) 
2. Use PERT to analyze the chance the delays on CP activities does not push the project duration beyond 40 days. 

ID	Optimistic	Most likely	Pessimistic	Predecessor
A	2	4	6	None
B	10	11	12	A
C	5	6	9	A
D	2	8	8	A
E	5	6	15	B,C
F	2	2	2	D
G	3	5	7	E,F
H	7	7	17	F
I	3	6	8	G,H