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
SAMPLE SIZE
UPPER LIMIT
LOWER LIMIT 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.
Correct Answer:
Verified
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