A College Admissions Officer Takes a Simple Random Sample of 100

question 89

Multiple Choice

A college admissions officer takes a simple random sample of 100 entering freshmen and computes their mean mathematics SAT score to be 459 . Assume the population standard deviation is $\sigma=103$ .
Construct a $99 \%$ confidence interval for the mean mathematics SAT score for the enterin! freshmen class.

• A) \( 456<\mu<462 \)
• B) \( 356<\mu<562 \)
• C) \( 434<\mu<484 \)
• D) \( 432<\mu< \)

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Definitions:

Tax Rate

The part of an individual's or corporation's earnings that is subject to taxation.

Debt-Equity Ratio

The ratio indicating a corporation's reliance on debt financing, found by dividing its total debts by the equity held by its shareholders.

After-Tax Cost of Debt

The net cost of debt after accounting for the effects of taxes, reflecting the actual cost to a company.

Cost of Equity

The theoretical compensation paid by a company to its equity investors, or shareholders, for the risk involved in investing their capital.