A Researcher Wants to Estimate the Percent of the Population

question 48

Multiple Choice

A researcher wants to estimate the percent of the population that uses the internet to stay informed on world news issues.The researcher wants to estimate the population proportion with a 98% level of confidence. He estimates from previous studies that at least 65% of the population stay informed on world issues through the internet..He also wants the error to be no more than .03.The sample size should be at least _______.

• A) 41
• B) 313
• C) 1677
• D) 1373
• E) 1500

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Definitions:

Simultaneously

Occurring at the same time or concurrently.

Credible Threat

A declaration of intended action or punishment that is believable and realistic enough to influence the behavior of others.

Equilibrium

A state in which all forces or influences are balanced, such as in a market when supply equals demand.

Dominant Strategy

In game theory, an approach that remains optimal for a participant, no matter what tactics are adopted by the others.