The Use of the Standard Normal Distribution for Constructing Confidence

question 143

Multiple Choice

The use of the standard normal distribution for constructing confidence interval estimate for the population proportion p requires:

• A) nand n(1 -)both greater than 5.
• B) np and n(1 - p)both greater than 5.
• C) n(1 +)and n(1 -)both greater than 5.
• D) sample size greater than 5.

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Definitions:

Fixed Costs

Costs that remain constant regardless of the amount of goods produced or sold, including items like rent, salaries, and insurance fees.

Variable Costs

Costs that vary directly with the level of production or sales, such as materials and labor.

Financial Leverage

Utilizing borrowed capital to amplify the possible returns on an investment.

Operating Leverage

An indicator of the degree to which sales growth affects operational profit, showing the ratio of a company's fixed costs compared to its variable costs.