A Density Function for the Age of People Enrolled in a Class

question 28

Short Answer

A density function for the age of people enrolled in a class is given in the following figure.
A. Find the value of c.
B. What percent of the class is over 20 years old? Round to the nearest whole percent.

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Definitions:

Sales Units

The quantity of product sold, often used as a measure in assessing sales performance and operational efficiency.

Fixed Expenses

Costs that do not change with the level of production or sales over the short term, such as rent, salaries, and insurance.

Break-even Point

The break-even point is the sales level at which total revenues equal total costs, resulting in neither profit nor loss.

Degree of Operating Leverage

A financial ratio that measures the sensitivity of a company's operating income to its sales volume, showing the impact of fixed costs on earnings.