Question: The main difference between PERT and CPM is that: PERT assumes that activity durations are known. PERT is more accurate than CPM . O PERT
The main difference between PERT and CPM is that: PERT assumes that activity durations are known. PERT is more accurate than CPMO PERT ignores activity costs.O CPM assumes activity durations can vary.O PERT employs three time estimates for cach activity:
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