A Researcher Wants to Estimate the Proportion of Millennials Who

question 70

Multiple Choice

A researcher wants to estimate the proportion of Millennials who regularly listen to podcasts (defined as at least two entire podcasts per week) .Previous studies indicate that only 18% of Millennials listen regularly to podcasts,and this researcher wants to estimate if that figure has increased.For this purpose,the researcher will use a 98% confidence level and wants to estimate the population proportion within 0.01 (i.e.,1 percentage point) of the actual value.The required sample size is at least ______.

• A) 47
• B) 48
• C) 320
• D) 321
• E) 331

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Definitions:

Native-born American Families

Native-born American families are those whose members were born in the United States, distinguishing them from families that have immigrated and became naturalized citizens.

Unemployment Rate

The percentage of the labor force that is jobless and actively looking for employment.

Rise in Suicides

An increase in the number of individuals intentionally causing their own death.

Percent

A part or other object per hundred, used to indicate a proportion out of one hundred in fractions or rates.