Activity	Immediate Predecessors	Optimistic (weeks)	Most Likely (weeks)	Pessimistic (Weeks)
					A		3	4	5
B	A	4	5	12
C		2	4	6
D	C	3	4	5
E	B, D	1	2	3
F	E	2	4	6
G	B, D	6	7	14
H	G	6	8	10
I	F, H	3	4	5

How do I find:

ES

EF

LS

LF

Slack

Critical path

The earliest time to start the project in order to have a .95 probability that the project will be done on time