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

question 40

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 0.45. Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of 0.08?

• A)210
• B)8
• C)17
• D)149

Identify and evaluate the advantages and disadvantages of starting a business from scratch.

Understand the concept, growth factors, and significance of home-based businesses in the current economic climate.

Recognize different customer relationship models and their underlying principles, including the customer intimacy model.

Understand the sources and functions of industry ratios.

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The field of extracting and analyzing digital information from electronic devices for legal evidence and cybersecurity purposes.

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A professional skilled in protecting information systems and networks from cyber threats and vulnerabilities.

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A reduced ability to see that cannot be fully corrected with glasses or contact lenses, impacting daily activities.

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Software applications that convert text displayed on a screen into speech, making digital content accessible to visually impaired users.