The Distribution of Cholesterol Levels in Teenage Boys Is Approximately $\mu$

question 40

Multiple Choice

The distribution of cholesterol levels in teenage boys is approximately normal with $\mu$ = 170 and $\sigma$ = 30 (Source: U.S. National Center for Health Statistics) . Levels above 200 warrant attention. What percent of teenage boys
Have levels between 170 and 225?

• A)3.36%
• B)6.06%
• C)46.64%
• D)56.13%

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Definitions:

Hormone

A chemical messenger produced by glands in the body that regulates physiological processes and behavior.

Milk Market

A sector of the economy that deals with the production, distribution, and consumption of milk and milk products.

Equilibrium Price

The cost at which the amount of a product wanted by buyers matches the amount provided by sellers, leading to equilibrium in the market.

Demand

The quantity of a good or service that consumers are willing and able to purchase at various prices during a given time period.