Mark is a typical high school student who is sexually active. If he and nine of his best high school friends are tested for sexually transmitted diseases, he should assume of that of these 10 young men, ___ will have positive test results.
A) 0
B) 2
C) 4
D) 7

Question

Quizplus · Accepted Answer

The text reports a statistic that about 20% of sexually active adolescents have an STD. If Mark and his friends are typical, then 2 of the 10 of them would test positive.

Mark Is a Typical High School Student Who Is Sexually