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Operations Management
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? O A. D is critical, and has a slack of two days. OB. C is completed before B. OC. F is critical, and has zero slack. OD. B is a critical activity. OE. D has no slack but is not critical.

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? O A. D is critical, and has a slack of two days. OB. C is completed before B. OC. F is critical, and has zero slack. OD. B is a critical activity. OE. D has no slack but is not critical.

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
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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 earliest finish is 18, while C's is 20. F's late start is 26. Which of the following is definitely true? O A. D is critical, and has a slack of two days. O B. C is completed before B. OC. F is critical, and has zero slack. OD. B is a critical activity. O E. D has no slack but is not critical.
Transcribed Image Text: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? O A. D is critical, and has a slack of two days. O B. C is completed before B. OC. F is critical, and has zero slack. OD. B is a critical activity. O E. D has no slack but is not critical.
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