The production engineering group at the Singapore plant of a computer company has been put in charge

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Question:

The production engineering group at the Singapore plant of a computer company has been put in charge of production for a new printer model. The printer will be built via an assembly line. The plant manager must design the assembly line for the printer. He has been advised that the assembly line must be ready in four weeks for a test run. He has decided to use CPM and has identified these activities, determined their precedence relationships, and estimated normal times:

Activity	Immediate Predecessors	Normal Time (days)
A (organize layout team)	none	5
B (organize modification team)	none	3
C (design personnel jobs)	A	2
D (set machinery in place)	B	3
E (connect utilities)	C, D	7
F (modify conveyor system)	E	4
G (train personnel)	E	3
H (finishing touches)	F	5
I (run test lot)	G	2