A Confidence Interval Was Used to Estimate the Proportion of Statistics

question 77

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 3% using 99% reliability?

• A)1916
• B)1831
• C)1769
• D)1842

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Definitions:

Syndicated Offerings

A financing arrangement where multiple lenders team up to provide a borrower with a large loan, often used in big and complex projects.

Marketing Functions

Various activities or roles that are performed in the process of marketing goods and services, including product promotion, distribution, pricing, and customer service.

Investment Banks

Financial institutions that provide a variety of services, including underwriting, acting as intermediaries between securities issuers and investors, and offering financial advisory services.

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An agreement where an underwriter promises to make a best effort to sell as much of an offering as possible, but does not guarantee the sale of all securities offered.