The table above shows the distribution of books in a small library by genre and whether they are fiction or non-fiction.
| Genre | Fiction | Non-Fiction | Total |
|---|---|---|---|
| Mystery | 30 | 10 | 40 |
| Sci-Fi | 25 | 5 | 30 |
| History | 10 | 20 | 30 |
| Total | 65 | 35 | 100 |
If a book is selected at random from this library, what is the probability that the book is either a Mystery book OR a Non-Fiction book?
