What Type of Car Is More Popular Among College Students

question 75

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 interval for the proportion of college students who prefer American automobiles. SAMPLE PROPORTION = .396 SAMPLE SIZE = 159 UPPER LIMIT = .472 LOWER LIMIT = .320 Which of the following is a correct practical interpretation of the interval?

• A) We are 95% confident that the proportion of all college students who prefer American cars falls between .320 and .472.
• B) We are 95% confident that the proportion of the 159 sampled students who prefer American cars falls between .320 and .472.
• C) 95% of all college students prefer American cars between .320 and .472 of the time.
• D) We are 95% confident that the proportion of all college students who prefer foreign cars falls between .320 and .472.

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Definitions:

Ratify

To formally approve or confirm, often used in the context of treaties, agreements, or legislation.

Commission

A fee paid to an agent or employee for completing a task or making a sale, which is often a percentage of the sale's total value.

Legal Consequences

are the outcomes that follow from the application of the law, such as penalties for breaking the law or the results of legal judgments.

Liable

Responsible by law; legally obligated to compensate for harm or damage caused.