The table shows the distribution of transportation methods used by 200 commuters from different districts.
| Transportation | North District | South District | East District | West District | Total |
|---|---|---|---|---|---|
| Car | 30 | 25 | 20 | 15 | 90 |
| Bus | 15 | 20 | 10 | 5 | 50 |
| Train | 10 | 5 | 20 | 10 | 45 |
| Bike | 5 | 10 | 0 | 0 | 15 |
| Total | 60 | 60 | 50 | 30 | 200 |
If one of these commuters is selected at random, what is the probability of selecting a commuter who uses the Bus?
