A simple CPM network has three activities, A, B, and C. A is an immediate predecessor of B and of C. B is animmediate predecessor of C. The activity durations are A=4, B-3, C=5.O The critical path is A-B-C, duration 12.O The network has no critical path.O The critical path cannot be determined without knowing PERT expected activity times.O The critical path is A-C, duration 10.5.O The critical path is A-B-C, duration 9.MacBook Air00008DD000F2F3F4F5F6F8レ23$00

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Practical Management Science

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A simple CPM network has three activities, A, B, and C. A is an immediate predecessor of B and of C. B is an immediate predecessor of C. The activity durations are A=4, B=3, C=5.