Risk level | Code | Binary string | Weight | Probability |
---|---|---|---|---|
Very high | Z | 10000 | 16/31 = 0.51612 | 0.086021 |
High | Y | 01000 | 8/31 = 0.25806 | 0.043011 |
Medium | X | 00100 | 4/31 = 0.12903 | 0.021505 |
Low | W | 00010 | 2/31 = 0.06451 | 0.010752 |
Normal | U | 00001 | 1/31 = 0.03225 | 0.005376 |
 |  | 11111 = 31 | Σ = 1 |  |