A Researcher Wants to Estimate the Population Proportion with a 95

question 75

Multiple Choice

A researcher wants to estimate the population proportion with a 95% level of confidence.He estimates from previous studies that the population proportion is no more than .30.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:

Lawsuit

A legal case brought to court by one party against another seeking a judgment or resolution.

Disposal

The act of getting rid of something, especially by throwing it away or by sale.

Statute Of Frauds

A legal principle that requires certain types of contracts to be written in order to be enforceable.

Substantial-purpose Rule

A legal doctrine that focuses on the main objective of an action to determine its legality or the applicability of certain laws.