Exhibit 19-2
Students in Statistics Classes Were Asked Whether They $\mu$

Multiple Choice

Exhibit 19-2
Students in statistics classes were asked whether they preferred a 10-minute break or to get out of class 10 minutes early. In a sample of 150 students, 40 preferred a 10-minute break, 80 preferred to get out 10 minutes early, and 30 had no preference. We want to determine if there is a difference in students' preferences.
-Refer to Exhibit 19-2. The null hypothesis that is being tested is

A) H₀: $\mu$ = 5
B) H₀: $\mu$ = 0.5
C) H₀: P = 5
D) H₀: P = 0.5