A Researcher Wants to Estimate the Percent of the Population

question 50

Multiple Choice

A researcher wants to estimate the percent of the population that uses the radio to stay informed on local news issues.The researcher wants to estimate the population proportion with a 95% level of confidence.He estimates from previous studies that no more than 30% of the population stay informed on local issues through the radio.The researcher wants the estimate to have an error of no more than .03.The necessary sample size is at least _______.

• A)27
• B)188
• C)211
• D)897
• E)900

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Definitions:

Levels of Disappointment

Measures or degrees of dissatisfaction experienced by customers when products, services, or experiences fail to meet expectations.

Outcome

The result or effect of an action, process, or situation, often measured to evaluate the success or impact of an intervention.

Emotionally Positioned

Designed or marketed in a way that appeals to the emotional responses or sensitivities of the target audience.