The Population Aged 65 Years Old and Older (In Millions)

question 187

Short Answer

The population aged 65 years old and older (in millions) from 2000 to 2050 is projected to be where t is measured in decades, with corresponding to 2000. What will be the average population aged 65 years and older over the years from 2000 to 2050?
(Hint: The average population is given by . Multiply the integrand by and then use the method of substitution.) Please round your answer to one decimal place.
__________ million

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Definitions:

High-low Method

A technique used in accounting and finance to estimate variable and fixed costs based on the highest and lowest levels of activity.

Variable Component

An element of cost or expense that varies directly with changes in production volume, business activity, or other drivers.

Contribution Margin Ratio

The percentage of each sales dollar remaining after variable costs have been deducted, indicating how much contributes to fixed costs and net profit.

Unit Contribution Margin

The difference between the selling price per unit and the variable cost per unit, indicating the amount each unit contributes to covering fixed costs and generating profit.