A survey was conducted among 500 students about their favorite subject. The results are summarized in the table below. If a student is selected at random from this survey, what is the probability that the student's favorite subject is Math?
| Favorite Subject | Boys | Girls | Total |
|---|---|---|---|
| Math | 100 | 80 | 180 |
| Science | 70 | 90 | 160 |
| English | 50 | 60 | 110 |
| History | 30 | 20 | 50 |
| Total | 250 | 250 | 500 |
