An Economist Is Interested in Studying the Incomes of Consumers

question 41

Multiple Choice

An economist is interested in studying the incomes of consumers in a particular country. The population standard deviation is known to be $1,000. A random sample of 50 individuals resulted in a mean income of $15,000. What is the upper end point in a 99% confidence interval for the average income?

• A) $15,052
• B) $15,141
• C) $15,330
• D) $15,364

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Definitions:

Marginal Cost

The extra expense associated with manufacturing an additional unit of a product or service.

Oligopolistic Firm

A company operating in an oligopoly market structure, characterized by a few firms dominating the market, leading to specific behaviors like pricing collusion or competition.

Price Charge

The amount of money demanded by a seller for a product or service, essentially the cost to the buyer.

Marginal Revenue Curve

A graphical representation that shows how the addition of one more unit of a good or service sold affects the total revenue of a business.