The table above shows the types of drinks purchased by customers at a coffee shop. A customer is selected at random from those who purchased a drink. What is the probability that the customer purchased an iced drink that was coffee?
| Drink Type | Purchased coffee | Purchased tea | Total |
|---|---|---|---|
| Hot | 15 | 8 | 23 |
| Iced | 10 | 7 | 17 |
| Total | 25 | 15 | 40 |
