On a particular college campus, 33% of the students belong to a fraternity or sorority. If 61 college students are randomly chosen:
a) Approximately 20 students belong to a fraternity or sorority.
b) Approximately 40 students belong to a fraternity or sorority.
c) Approximately 60 students belong to a fraternity or sorority.
d) Approximately 80 students belong to a fraternity or sorority.