Drawing a random sample of people from your high school for a survey on a new dress code policy ensures which of the following?

Each person in your school has the same probability of being chosen for the study.

An equal number of males and females are selected for the study.

The sample will be large enough even though some people may refuse to be interviewed.

The study includes at least some respondents from every social class in your school.

The study will uncover widely differing attitudes about dress code policy among the respondents.