Question: please draw and explain Activity M on a CPM network has predecessors N and R, and has successor S. M has duration 5. N's late
please draw and explain
Activity M on a CPM network has predecessors N and R, and has successor S. M has duration 5. N's late finish is 18 , while R's is 20. S's late start is 14. Which of the following is true? a. M is critical and has zero slack. b. M has no slack but is not critical. c. The last start time of S is impossible. d. N is a critical activity. e. S is a critical activity
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