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GATE Mechanical Engineering (ME) 2022 Shift 2 Solved Paper

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Question : 42

Total: 65

A project consists of five activities (A, B, C, D and E). The duration of each activity follows beta distribution. The three time estimates (in weeks) of each activity and immediate predecessor(s) are listed in the table. The expected time of the project completion is ______ weeks (in integer).

Activity	Time estimates (in weeks)			Immediate predecessor(s)
Activity	Optimistic time	Most likely time	Pessimistic time	Immediate predecessor(s)
A	4	5	6	None
B	1	3	5	A
C	1	2	3	A
D	2	4	6	C
E	3	4	5	B, D

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