Multiple Choice
According to a study reported in the text, in 2009 about ____ of 9th graders in the United States reported that they had engaged in sexual intercourse and about ____ of 12th graders reported they had engaged in sexual intercourse.
A) one-third; two-thirds
B) 25%; 50%
C) one-half; three-quarters
D) one-half; 90%
Correct Answer:
Verified
Correct Answer:
Verified
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