A Confidence Interval Was Used to Estimate the Proportion of Statistics

question 69

Multiple Choice

A confidence interval was used to estimate the proportion of statistics students that are female. A random sample of 72 statistics students generated the following 90% confidence interval: (0.438, 0.642) . Using the information above, what total size sample would be necessary if we wanted to estimate the true proportion to within ±0.08 using 95% confidence?

• A) 105
• B) 597
• C) 150
• D) 420

---

Definitions:

GAAP

Generally Accepted Accounting Principles, a collection of commonly-followed accounting rules and standards for financial reporting that companies in the U.S. must adhere to.

Financial Reports

Documents that present a company's financial performance and position, typically including the balance sheet, income statement, and cash flow statement.

Accounting Distortions

Discrepancies that arise in financial statements due to methods of valuation, estimation errors, or misapplication of accounting principles.

Financial Ratios

Quantitative measures derived from financial statement analysis to assess a company's financial health, performance, and viability.