Mathematics, 01.07.2020 15:01 Alexandra001

Activity D on a CPM network has predecessors B and C: and has successor F. D has duration 6. B's earliest finish is 18: while C's is 20. F's late start is 26. Which of the following is definitely true? a. D is critical and has zero slack.
b. B is a critical activity.
c. F is critical and has zero slack.
d. D has no slack but is not critical.
e. C is completed before B.

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Activity D on a CPM network has predecessors B and C: and has successor F. D has duration 6. B's ear...

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