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

question 80

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 0.58. The p-value for this test is

• A) 0.7190
• B) 0.2810
• C) 0.5620
• D) 0.5800

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