CPM network has predecessors

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Reference no: EM13757699

Activity R on a CPM network has predecessors M and N, and has successor S. R has duration 5. N's late finish is 18, while M's is 20. S's late start is 14. Which of the following is definitely true?

a) S is a critical activity

b) The set of given times cannot all be possible

c) R has no slack but is not critical

d) N is a critical activity

e) R is critical and has zero slack

Reference no: EM13757699

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