Which of the Following Would Be an Example of Random

Multiple Choice

Which of the following would be an example of random sampling in a survey study designed to learn more about the student body at a particular college?

A) asking students to fill out a survey in a campus magazine and then mailing it to the investigators
B) tossing a coin to determine who will be surveyed from a list of all students enrolled
C) surveying all customers who visit a particular coffee shop on campus
D) surveying fraternity and sorority members on campus