When Calculating a Confidence Interval for the Mean Using a Sample

question 54

Multiple Choice

When calculating a confidence interval for the mean using a sample size of less than 30 with an unknown population standard deviation, the ------- is used.

• A)binomial distribution
• B)normal distribution
• C)Poisson distribution
• D)Student's t-distribution

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Definitions:

Retained Earnings Statement

A financial statement that shows the amounts of a company's profits that are kept within the business rather than paid out as dividends.

Corporation Income Statement

A financial statement that shows a company's revenues, expenses, and profits or losses over a specific time period.

Common Stockholders' Equity

The portion of a company's equity owned by common shareholders, calculated as total assets minus total liabilities and preferred stocks.

Net Income

The ultimate earnings of a company, calculated by subtracting expenses and taxes from its gross revenue.