A clinic recorded whether patients had a fever and whether they had a cough. The summary is below.
| Had a cough | Did not have a cough | Total | |
|---|---|---|---|
| Had a fever | 30 | 170 | 200 |
| No fever | 70 | 680 | 750 |
| Total | 100 | 850 | 950 |
If a patient who had a fever is selected at random, what is the probability that the patient also had a cough?
0.10
0.15
0.20
0.25