Immediate		Most
Activity	Predecessors	Optimistic	Likely	Pessimistic
A	--	3	4	5
B	--	3	3	3
C	A	2	3	4
D	B	1	3	5
E	C	4	4	4
F	C	2	2	2
G	D,E	4	5	6
H	F,G	3	4	5

E(p)	V(p)
4	0.11			V(p)	0.89
3	0.00			Std dev	0.942809
3	0.11			E(CP)	20
3	0.44
4	0.00
2	0.00
5	0.11
4	0.11

List all critical path activities

1. Compute the expected completion time
2. Calculate the probability of the following completion times:
   1. More than 22 weeks
   2. Less than 15 weeks
   3. Between 19 and 21 weeks.