Probability Analysis
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The following probability calculation assumes that activities are independent and so are paths. It also assumes that the project has a large enough number of activities to assume the normal distribution, which is used to estimate the probability of finishing a critical path in the desired time. Therefore, when the activities are not independent or the number of activities is not large, the analysis may be biased.
JeI
m |
ni |
sLi |
□ X
rliest nish |
Latest Start |
Latest Finish |
Slack (LS-ES) |
Activity Time Distribution |
Standard Deviation |
4 |
0 |
4 |
0 |
3-Time estimate |
0 |
15 |
4 |
15 |
0 |
3-Time estimate |
0 |
20 |
25 |
30 |
10 |
3-Time estimate |
0 |
25 |
21 |
31 |
6 |
3-Time estimate |
0 |
23 |
23 |
31 |
8 |
3-Time estimate |
0 |
27 |
15 |
27 |
0 |
3-Time estimate |
0 |
28 |
30 |
38 |
10 |
3-Time estimate |
2 |
32 |
31 |
38 |
6 |
3-Time estimate |
0,6667 |
30 |
31 |
38 |
8 |
3-Time estimate |
2,3333 |
38 |
27 |
38 |
0 |
3-Time estimate |
3,6667 |
50 |
38 |
50 |
0 |
3-Time estimate |
0 |
5G |
50 |
56 |
0 |
3-Time estimate |
1,3333 |
64 |
56 |
64 |
0 |
3-Time estimate |
0 |
64 |
godz.s | ||||
1 |
5ERT/CPM |
■ Probability Analysis |
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