Exhibit 8-3
a Random Sample of 81 Automobiles Traveling on a Section

question 35

Multiple Choice

Exhibit 8-3
A random sample of 81 automobiles traveling on a section of an interstate showed an average speed of 60 mph. The distribution of speeds of all cars on this section of highway is normally distributed, with a standard deviation of 13.5 mph.
-Refer to Exhibit 8-3. If the sample size was 25 (other factors remain unchanged) , the interval for $\mu$ would

• A)not change
• B)become narrower
• C)become wider
• D)become zero

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Definitions:

Unlicensed Agent

An individual acting in a role that requires licensure, such as real estate or insurance, without possessing the necessary legal authorization.

Professional Acts

Actions or conduct that are considered appropriate, ethical, and in accordance with the standards of a profession.

Realtor

A real estate professional who is a member of the National Association of Realtors and adheres to its code of ethics.

Agency Relationship

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