What is the expected duration for Activity B

What is the Expected duration for this PERT schedule?'

What is the critical path of this PERT schedule?

What is the Early Start, Early Finish for Activity D?

What is the variance for Activity G?

What is the Late Start, Late Finish for Activity F?

What is the probability that the project can be completed in 26 days?

What is the probability that the project can be completed in 22 days?

What is the total variance for the critical path?

Use the following table of activities and their respective optimistic, most likely, and pessimistic activity durations the these questions. Be sure to carry two decimal places for activity durations.

Activity	Predecessor	optimistic	most likely	pessimistic
A	-	6	8	10
B	A	1	2	3
C	-	6	9	12
D	B	2	5	11
E	C	5	8	11
F	C	2	4	8
G	D,E	6	7	10
H	E,F	4	6	8