The Results of a Recent Poll on the Preference of Teenagers

question 57

Multiple Choice

The results of a recent poll on the preference of teenagers regarding the types of music they listen to are shown below. $\begin{array}{lll}\text { Music Type } & \text { Teenagers Surveyed } & \text { Teenagers Favoring } \\&&\text { Phis Typ e } \\\text { Pop } & 800 & 384 \\\text { Rap } & 900 & 450\end{array}$ The point estimate of the difference between the two population proportions is

• A) -.02.
• B) .048.
• C) .52.
• D) -.5.

---

Definitions:

Salmon Populations

Groups of salmon species living in specific regions, often tracked for conservation, fishing, and ecological study purposes.

Juveniles From Hatcheries

Young fish or other aquatic animals that have been bred and raised in artificial environments like hatcheries for various purposes, including stocking and conservation.

Dams

Structures built across rivers or streams to control the flow of water for the purposes of water storage, flood prevention, irrigation, and hydroelectric power generation.

Wetlands

Ecosystems characterized by the presence of standing water, which support a diverse range of plant and animal life and provide critical ecological services.