The Business College Computing Center Wants to Determine the Proportion $25 \%$

question 43

Multiple Choice

The business college computing center wants to determine the proportion of business students who have laptop computers. If the proportion exceeds $25 \%$ , then the lab will scale back a proposed enlargement of its facilities. Suppose 250 business students were randomly sampled and 75 have laptops. What assumptions are necessary for this test to be satisfied?

• A) The sample size \(n\) satisfies both \(n p _ { 0 } \geq 15\) and \(n q _ { 0 } \geq 15\).
• B) The sample size \(\mathrm { n }\) satisfies \(n \geq 30\).
• C) The sample proportion is close to 5 .
• D) The population has an approximately normal distribution.

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Definitions:

Cash Coverage Ratio

A financial metric that measures a company’s ability to cover its debt obligations with its operating cash flow.

Total Asset

The sum of all assets owned by a company, including both current and non-current assets.

Turnover Measure

An indicator of the efficiency and effectiveness of a company in generating revenue or managing inventory, often expressed as a ratio.

Common-Size Statement

A financial statement in which each line item is expressed as a percentage of a significant total, facilitating comparison.