A project has five activities with the durations (days) listed below:

Activity	Precedes	Expected Duration	Variance
Start	A, B	-	-
A	C	10	0.27
B	E	10	0.25
C	D	13	0.27
D	End	25	0.46
E	End	23	0.75

What is the probability that the project will be completed within 52 days?

0.18

b.

0

c.

0.25

d.

1

e.

0.82