What is 4 out of 6?

1. Out of the 6 people surveyed, 4 respondents preferred chocolate ice cream over any other flavor.
2. 4 out of the 6 participants in the study reported experiencing symptoms of anxiety on a regular basis.
3. In the group of 6 friends, 4 of them were born in the same month of September.
4. 4 out of the 6 individuals in the focus group expressed a strong interest in traveling to Japan.