#2) Data for a project are given below:

NOTE: Include 3 decimals in your calculations.

Activity	Immediate Predecessor(s)	Time Estimates (weeks)
		Optimistic	Most Likely	Pessimistic	Expected Time	Variance
A	-	5	7	8	6.833	0.250
B	-	6	8	12	8.333	1.000
C	-	3	4	5	4.000	0.111
D	A	11	17	25	17.333	5.444
E	B	8	10	12	10.000	0.444
F	C,E	3	4	5	4.000	0.111
G	D	4	8	9	7.500	0.694
H	F	5	7	9	7.000	0.444
I	G,H	8	11	17	11.500	2.250

1. Perform the necessary calculations and determine the expected completion time for the project. (3 points)
2. What is the joint probability of completing the entire project in 42 weeks or less. Perform the necessary calculations and complete entries in the table below. (7 points)

Path		Probability (length 42 weeks)

Joint probability of completing the project in less than 42 weeks or less = _________