Exhibit 11-9
the Results of a Recent Poll on the Preference

Multiple Choice

Exhibit 11-9
The results of a recent poll on the preference of teenagers regarding the types of music they listen to are shown below.
$$\begin{array} { l c c } &&\text { Teenagers Favoring }\\\text { Music Type } & \text { Teenagers Surveyed } & \text { This Type } \\\text { Pop } & 800 &384 \\\text { Rap } & 900 & 450\\\end{array}$$
-We are interested in testing the following hypotheses. H0: P1- P2 = 0 Ha: P1- P2 ? 0
The test statistic Z is computed to be 2.0. The p-value for this test is

A) 0.9772
B) 1.9544
C) 0.0228
D) 0.0456