A Researcher Wants to Construct a 98% Confidence Interval for the Proportion

question 7

Multiple Choice

A researcher wants to construct a 98% confidence interval for the proportion of elementary school students in Seward County who receive free or reduced-price school lunches. A state-wide survey Indicates that the proportion is 0.60. Using this estimate, what sample size is needed so that the Confidence interval will have a margin of error of 0.07?

• A) 265
• B) 19
• C) 8
• D) 189

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Definitions:

Enforce

To compel obedience or compliance, often through legal or authoritative action.

Restrictive Indorsement

A limitation specified on the face of a check or document that restricts the further transfer of its title or requires certain conditions to be met.

Trust

A fiduciary relationship in which one party, known as a trustee, holds title to property for the benefit of another party, known as a beneficiary.

Pay to

Directs the transfer of money or assets to a specified person, entity, or account as outlined in a financial or legal document.