A Confidence Interval Was Used to Estimate the Proportion of Statistics

question 89

Multiple Choice

A confidence interval was used to estimate the proportion of statistics students who are female. A random sample of 72 statistics students generated the following confidence interval: (.438, .642) . Using the information above, what sample size would be necessary if we wanted to estimate the true proportion to within 1% using 95% reliability?

• A) 9543
• B) 9604
• C) 9989
• D) 9220

---

Definitions:

Investing Activities

Transactions involving the purchase and sale of long-term assets and investments, reflected in a company's cash flow statement.

Book Value

The value of an asset as it appears on a balance sheet, calculated by subtracting depreciation from the asset's cost.

Treasury Stock

Shares that were once part of the outstanding shares but were bought back by the company and are held in the company's treasury.

Equipment

Tangible assets used in the operations of a business, such as machinery, computers, and tools, which have a useful life of more than one year.