Exhibit 2-1

question 97

Multiple Choice

Exhibit 2-1.An auto parts chain asked customers to complete a survey rating the chain's customer service as average,above average,or below average.The following shows the results from the survey: Refer to Exhibit 2-1.The proportion of customers that felt the customer service was average is closest to ______.

• A)0.20
• B)0.33
• C)0.46
• D)0.53

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Definitions:

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, including coronary artery disease, heart attack, and stroke.

Cigarette Smoking

The act of inhaling smoke from the combustion of tobacco products, which is known to be harmful to health.

Stage 2 Hypertension

A condition where blood pressure readings consistently show systolic pressure of 140 mm Hg or higher or diastolic pressure of 90 mm Hg or higher.

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels, a critical measure of cardiovascular function and health.