| Fp |
Pp |
Probability of Correct Determination |
Qualitative Assessment |
| 0 – 0.20 |
< 10 % |
very low |
Neither human failure, nor effect on other causes is supposed. |
| 0.21 – 0.30 |
10 – 30 % |
low |
Human failure is not supposed, however the identified cause might affect acting of the other causes belonging to another group. |
| 0.31 – 0.40 |
30 – 50 % |
moderate |
Cause acting might result in a human failure at participation of the causes belonging to another group. |
| 0.41 – 0.54 |
50 – 80 % |
high |
Acting of a cause in appropriate group might result in a human failure and/or significantly participate in it. |
| 0.55 – 1.00 |
> 80 % |
very high |
Acting of a cause in appropriate group might result in a human failure and/or significantly participate in it. |
