Use the following project information:

Activity	Optimistic Time Estimate (weeks)	Most Likely Time Estimates (weeks)	Pessimistic Time Estimates (weeks)	Immediate Predecessor(s)
A	2	6	11	none
B	3	5	9	A
C	3	8	13	A
D	5	6	10	B
E	6	9	17	C
F	4	4	5	D, E
G	2	5	10	D, E
H	4	6	11	F
I	4	8	11	G
J	3	3	3	H, I

A.)Using the information given, construct a network diagram using AON notation.

B.) Using the information given, calculate the expected time for each of the project activities.

C.) Using the information given, calculate the variance for each of the project activities.

D.) Using your results from Problems B and C, Calculate the completion time for this project.

E.) Identify the activities included on the critical path of this project.

F.) Using your results from Problem D and E, Calculate the probability that the project will be completed in 38 weeks.

G.) Calculate the probability that the project will be completed in 42 weeks.