When Constructing a Confidence Interval for a Population Mean,if a Population

question 76

Multiple Choice

When constructing a confidence interval for a population mean,if a population is normally distributed and a small sample is taken,then the distribution of is based on the ____________ distribution.

• A) z
• B) t
• C) neither the z nor the t distribution
• D) both the z and the t distribution

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Definitions:

Sales

The total revenue earned from the sale of goods or services related to a company's primary operations.

Common Stock

Common stock is a type of security that represents ownership in a corporation, granting holders voting rights and a share in the company's profits through dividends.

ROE

Return on Equity, a measure of financial performance calculated by dividing net income by shareholders' equity, indicating how effectively management is using a company’s assets to create profits.

Net Income

The final income of a business once expenses and taxes are removed from the total revenue.