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Risk management - Cumulative probability graph



Cumulative probability graph

Cumulative probability graphCumulative probability graph

This shows the cumulative probability graph for tasks ‘A’ or ‘B’ and tasks ‘A’ and ‘B’ combined [see The Risk Management process - Evaluate - independent correlation]. Note that although we were looking at values of:



Delay Probability
7 0.3
9 0.5
11 0.2

We are actually seeing the ranges:

Delay Probability
6 to 8 0.3
8 to 10 0.5
10 to 12 0.2
Delay Calculation Probability
14 0.3 x 0.3         0.09
16 0.3 x 0.5 + 0.5 x 0.3     0.30
18 0.3 x 0.2 + 0.5 x 0.5 + 0.2 x 0.3 0.37
20     0.5 x 0.2 + 0.2 x 0.5 0.20
22         0.2 x 0.2 0.04

Non - PRINCE2 information