What Type of Car Is More Popular Among College Students $= .396$

question 71

Multiple Choice

What type of car is more popular among college students, American or foreign? One hundred fifty-nine college students were randomly sampled and each was asked which type of car he or she prefers. A computer package was used to generate the printout below of a 90% confidence intervaln for the proportion of college students who prefer American automobiles.

SAMPLE PROPORTION $= .396$
$\text { SAMPLE SIZE = } 159$

UPPER LIMIT $= .460$
LOWER LIMIT $= .332$

Based on the interval above, do you believe that 31% of all college students prefer American automobiles?

• A) No, and we are 100% sure of it.
• B) No, and we are 90% confident of it.
• C) Yes, and we are 90% confident of it.
• D) Yes, and we are 100 %sure of it.

---

Definitions:

Electronic Commerce

The buying and selling of goods or services using the internet, and the transfer of money and data to execute these transactions.

Internet

A global network of computers that provides a wide range of information and communication facilities, including access to websites and other services.

Information Technologies

Systems, software, and equipment designed to store, retrieve, transmit, and manipulate data, significantly influencing the operation of businesses and societies.

Group Decision Support System

A computer-based system designed to aid groups in making decisions, improving the efficiency and effectiveness of team decision-making processes.