Solve the Problem

question 35

Multiple Choice

Solve the problem. Round the point estimate to the nearest thousandth.
-Find the point estimate of the proportion of people who wear hearing aids if, in a random sample of 898 people, 46 people had hearing aids.

• A) 0.949
• B) 0.050
• C) 0.049
• D) 0.051

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Definitions:

Asthenosphere

The semi-fluid layer of the Earth's mantle beneath the lithosphere that allows for the movement of tectonic plates.

Lithosphere

The rigid outer layer of the Earth, including the crust and upper mantle, involved in plate tectonics and continental drift.

Topographic Profile

A cross-sectional view of a portion of Earth's surface, showing elevation, relief, and slope of the terrain along a specific line.

Thinnest Crust

The portion of the Earth's crust that is found underneath the oceans, measuring about 5 to 10 kilometers in thickness, which is thinner than continental crust.