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

question 109

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 99% confidence
Interval for the proportion of college students who prefer American automobiles. SAMPLE PROPORTION $= .396$
SAMPLE SIZE $= 159$
UPPER LIMIT $= .496$
LOWER LIMIT $= .296$ Which of the following is a correct practical interpretation of the interval?

• A)We are 99% confident that the proportion of all college students who prefer foreign cars falls between .296 and .496.
• B)We are 99% confident that the proportion of all college students who prefer American cars falls between .296 and .496.
• C)99% of all college students prefer American cars between .296 and .496 of the time.
• D)We are 99% confident that the proportion of the 159 sampled students who prefer American cars falls between .296 and .496.

---

Definitions:

Guilford's Model

A theory of human intelligence by J.P. Guilford that classifies intelligence into operations, contents, and products.

Cognitive Ability

Refers to the capacity of the brain to think, learn, reason, solve problems, and process information.

Cube

A three-dimensional geometric figure with six equal square faces.