A Researcher Finds That 4% of People in a Convenience

Multiple Choice

A researcher finds that 4% of people in a convenience sample of university students are smokers. What can she conclude about other young people who attend other universities in the same city?

A) They are unlikely to smoke.
B) Between 2% and 10% of them are likely to smoke.
C) They are very likely to smoke.
D) She can conclude nothing.