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(Solved)10. Activities on the critical path exhibit positive slac

10. Activities on the critical path exhibit positive slack times.

TRUE FALSE

11. The variance of project completion time equals the variances of all activities in the project.

TRUE FALSE

12. The expected activity time is the average of an activity’s optimistic and pessimistic times.

TRUE FALSE

13. Dummy activities are found in activity-on-arc (AOA) convention PERT/ CPM network models.

TRUE FALSE

14. The dummy activity has an expected time of zero by definition.

TRUE FALSE

15. Early start time ( ES ) is computed from right to left (backward pass)

TRUE FALSE

16. The project-group approach extends little or no formal authority to the project coordinator.

TRUE FALSE

17. The expected completion time of a task (activity) is approximated by the normal probability distribution.

TRUE FALSE

18. CPM was developed for a project for which task (activity) times were uncertain.

TRUE FALSE

19. With probabilistic PERT, we are able to calculate the probability of finishing the project on a particular day or week.

TRUE FALSE

20. The 3 time estimates employed in PERT are optimistic time, average time, and pessimistic time.

TRUE FALSE

21. In PERT, the early start time for a task is equal to the latest of the early finish times of all of its immediate predecessors.

TRUE FALSE

22. PERT stands for Probabilistic Evaluation and Review Technique.

TRUE FALSE

23. In PERT, we assume project completion time can be modeled by the normal probability distribution.

TRUE FALSE

24. In PERT, the variance in project completion time is equal to the variance of the most time-consuming task (activity) on the critical path.

TRUE FALSE

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