A Poll Asked 956 Licensed Drivers Whether They Supported a Nationwide

question 22

Multiple Choice

A poll asked 956 licensed drivers whether they supported a nationwide lowering of the drunk driving limit to 0.08% BAC (blood alcohol content) , and 72% said they did. Estimate a 95% confidence interval for actual percentage among all licensed drivers.

• A) 70.5% to 73.5%
• B) 69% to 75%
• C) 71.8% to 72.2%
• D) 70% to 74%

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Definitions:

Renal Blood Flow

The amount of blood that passes through the kidneys per unit of time, crucial for filtering waste from the blood and adjusting blood pressure.

Clearance Calculation

A method used to determine the rate at which a substance is removed from the body by the kidneys, indicating kidney function and efficiency.

Hematocrit

The proportion of blood volume that is occupied by red blood cells, expressed as a percentage.

Extracellular Fluid

The body fluid outside the cells, which includes blood plasma, lymph, and interstitial fluid, providing a medium for nutrient and waste transport.