Students in Statistics Classes Were Asked Whether They Preferred a 10-Minute

Multiple Choice

Students in statistics classes were asked whether they preferred a 10-minute break or to allow them go out of class 10 minutes early. In a sample of 150 students, 40 preferred a 10-minute break, 80 preferred going out 10 minutes early, and 30 had no preference. We want to determine if there is a difference in students' preferences. At the 1% level of significance, the null hypothesis should

A) be rejected.
B) not be rejected.
C) be revised.
D) not be tested.