Seth wants to find out if students at Hillsboro High School go to the football games. He decides to take a sample rather than ask every student. He asks the first 15 boys leaving the library. Which statement about the sample is true? Select two answers.

A. This sample includes the entire student population.
B. This sample includes only those students who use the library.
C. This sample is representative of the population.
D. This sample is not a random sample.
E. This sample is a random sample