Cpm-pert network analysis problem, Computer Networking

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Solve the following CPM/PERT Network Analysis problem:

Given the following network and activity time estimates, determine earliest and latest activity times, slack, the expected project completion time and variance, and the probability that the project will be completed in 27 days or less.

	Time Estimates (Days)
Activity	a	m	b
1	5	8	15
2	7	10	12
3	3	5	6
4	1	3	6
5	4	6	7
6	3	3	3
7	3	4	6

1838_CPMPERT Network Analysis.png

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