What Sample Size Is Needed to Estimate the Proportion of Highway

question 8

Multiple Choice

What sample size is needed to estimate the proportion of highway speeders within 5 percent using a 90 percent confidence level?

• A) 385
• B) 68
• C) 271
• D) 165

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Definitions:

Meal Expenses

Costs for food and beverages that may be deductible under certain conditions when incurred in the course of conducting business.

Capital Losses

Financial losses incurred when a capital asset is sold for less than its purchase price.

Tax-exempt Bonds

Bonds issued by governmental entities or certain non-profits that do not require the bondholder to pay taxes on the interest earned, making them an attractive investment option.

Charitable Contributions

Donations made to qualified organizations that may be deductible from taxable income if itemized.