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In a group of 28 students, 6 study both Art and Biology.
1 studies Biology but not Art.
1 studies neither subject.
Given that a randomly selected student studies Art, what is the probability the student studies Art and Biology?

Respuesta :

MathPhys

Answer:

3/13

Step-by-step explanation:

There are 28 students.  1 studies biology but not art.  1 studies neither subject.  Therefore, there are 26 students who study art.

Of the 26 students who study art, 6 also study biology.  So the probability is 6/26, which reduces to 3/13.

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