D&D 5e Dice Odds

DC Norm Adv       Dis
1  100  100.0     100.0
2  95   99.7463   90.2832
3  90   99.0026   81.0011
4  85   97.7692   72.2583
5  80   96.0075   64.033
6  75   93.7388   56.273
7  70   90.9808   49.04
8  65   87.7034   42.2969
9  60   83.9741   36.0356
10 55   79.7243   30.3212
11 50   74.9715   25.085
12 45   69.7316   20.33
13 40   63.9532   16.0639
14 35   57.6946   12.2777
15 30   50.9316   9.0177
16 25   43.7038   6.2492
17 20   35.9761   4.0153
18 15   27.7416   2.2734
19 10   18.9945   1.0067
20 5    9.7365    0.2605