Use the Given Data to Find the Minimum Sample Size $\hat { p }$

question 40

Multiple Choice

Use the given data to find the minimum sample size required to estimate the population proportion.
-Margin of error: 0.04; confidence level: 99%; from a prior study, $\hat { p }$ is estimated by 0.14.

• A) 499
• B) 20
• C) 289
• D) 599

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Definitions:

Annual Profit

The net income a company earns over a fiscal year, after subtracting all expenses, taxes, and costs from total revenue.

Contribution Margin Ratio

The percentage of each sales dollar remaining after deducting variable costs, used to cover fixed costs and profit.

Margin Of Safety

The difference between actual or expected sales and the break-even point, expressing the level of sales fall that can be tolerated before a loss occurs.

Contribution Margin Ratio

The percentage of sales revenue that exceeds variable costs, representing how much revenue contributes towards covering fixed costs and generating profit.