| Age Group | Fiction | Non-Fiction | Total |
|---|---|---|---|
| Under 18 | 45 | 20 | 65 |
| 18-60 | 60 | 75 | 135 |
| Over 60 | 30 | 40 | 70 |
| Total | 135 | 135 | 270 |
The table above displays the preferred genre of books for visitors to a library, categorized by age group. If a visitor is selected at random from this group, what is the probability that the selected visitor is over 60 years old AND prefers Non-Fiction?