A Simple CPM Network Has Three Activities,D,E,and F

Multiple Choice

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.