Question: Activity Preceding activity Optimistic Most Likely Pessimistic A - 3 6 8 B A 1 3 5 C A 2 2 11 D C 4

Activity	Preceding activity	Optimistic	Most Likely	Pessimistic
A	-	3	6	8
B	A	1	3	5
C	A	2	2	11
D	C	4	3	4
E	B, C	3	5	4
F	B, D	5	2	2
G	E, F	3	6	12

a. Draw an AON diagram based on the activities and their relationships given in the table. b. Determine the expected time estimates for all the activities. c. Find the earliest start time (ES), earliest finish time (EF), latest start time (LS), latest finish time (LF), and Slack time for each activity of the project. d. Determine the total variance of the critical path. e. What is probability that project is completed within 28 weeks?

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