A simple CPM network has three activities, D, E, and F. D is an immediate predecessor of E and of F. E is an immediate predecessor of F. The activity durations are D=4, E=3, F=8
A) The critical path is D-E-F, duration 15.
B) The critical path is D-F, duration 12.
C) Slack at D is 3 periods.
D) Slack at E is 3 periods.
E) Both A and C are true.
A
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