SAT prep Surveys indicate that 5% of the students who took the SATs had enrolled in an SAT prep course. 30% of the SAT prep students were admitted to their first choice college, as were 20% of the other students. You overhear a classmate say he got into the college he wanted. What is the probability he didn't take an SAT prep course?

Question

Quizplus · Accepted Answer

The Answer is

P(

No prep

\mid

first choice

)=\frac{0.190}{0.205}=93 \%

SAT Prep Surveys Indicate That 5% of the Students Who