Pew Research Reports That 63% of the U $\pm 7.5 \%$

question 116

Essay

Pew Research reports that 63% of the U.S. adult cell phone owners use their phone to go online. A company wants to target
16- to 24-year olds for advertising and they wonder if that age group has a similar pattern of phone use.
-The company wants to estimate the true percentage of 16- to 24-year old cell phone
owners who use their phone to go online to within $\pm 7.5 \%$
with 95% confidence. How
many cell phone owners in this age group should they sample?

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Definitions:

Absolute Advantage

The ability of a country, individual, company or region to produce a good or service at a lower cost per unit than the cost at which any other entity produces that good or service.

Radios

Electronic devices for receiving radio waves and converting them into sound or other signals.

England

A country that is part of the United Kingdom, known for its rich history, cultural heritage, and as a pioneer of the industrial revolution.

Radio

A technology that uses radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space.