A College Professor Wants to Find If Students in the U.S

Multiple Choice

A college professor wants to find if students in the U.S. colleges will find the new textbook that he has written to be useful and interesting. He decides to sample all marketing majors at the school he teaches. He believes that this group of students will be representative of the U.S. college student population. His method of sampling is most probably:

A) census sampling.
B) convenience sampling.
C) judgment sampling.
D) quota sampling.
E) cluster sampling.