Professors at a Local University Earn an Average Salary of $80,000

question 121

Multiple Choice

Professors at a local university earn an average salary of $80,000 with a standard deviation of $6,000. The salary distribution cannot be regarded as bell-shaped. What can be said about the percentage of salaries that are less than $68,000 or more than or more than $92,000?

• A) It is at least 75%.
• B) It is at most 75%.
• C) It is at least 25%.
• D) It is at most 25%.

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Definitions:

Aggregate Demand

The aggregate need for every product and service in an economy, measured at a specific overall price level during a certain time frame.

Long-run Output

The maximum amount of goods and services an economy can produce when it fully utilizes its resources, typically considered over a period where all inputs can be adjusted.

Costs of Inflation

The negative impacts of inflation, such as reduced purchasing power, uncertainty in the economy, and the possible distortion of investment and savings decisions.

Income Effect

The change in consumer's purchasing behavior due to a change in their income, affecting how much of a product they buy.