Question
You may need to use the appropriate technology to answer this question. To help with preparations, a couple has devised a project network to describe
You may need to use the appropriate technology to answer this question.
To help with preparations, a couple has devised a project network to describe the activities that must be completed by their wedding date.
A project network with 10 activities and 13 directed arcs is shown.
Activity Start is connected to activity A and to activity B.
Activity A is connected to activity C and to activity D.
Activity B is connected to activity E.
Activity C is connected to activity H.
Activity D is connected to activity F and to activity G.
Activity E is connected to activity F and to activity G.
Activity F is connected to activity H.
Activity G is connected to activity Finish.
Activity H is connected to activity Finish.
Activity Finish has no arcs directed to other activities.
The following table lists the activity time estimates (in weeks) for each activity.
| Activity | Optimistic | Most Probable | Pessimistic |
|---|---|---|---|
| A | 4 | 5 | 6 |
| B | 2.5 | 3 | 3.5 |
| C | 5 | 6 | 7 |
| D | 5 | 5.5 | 9 |
| E | 5 | 7 | 9 |
| F | 2 | 3 | 4 |
| G | 9 | 11 | 13 |
| H | 7 | 8 | 15 |
Based only on the critical path, what is the estimated probability that the project will be completed within the given time frame? (Round your answers to four decimal places.)
A)Within 21 weeks?
B)Within 23 weeks?
C)Within 27 weeks?
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Challenges For Next Generation Network Operations And Service Management
Authors: Yan Ma; Deokjai Choi; Shingo Ata
1st Edition
3540886222, 9783540886228
