A guidance counselor reports that in a given semester, the probability that a student chooses art as an elective is 15 percent, the probability that a student chooses art or drama is 20 percent, and the probability that a student chooses both art and drama is 2 percent.

What is the probability that a student chooses drama as an elective?

5 percent

7 percent

33 percent

37 percent

Question

Thaddeus Cowan

Mathematics

2 May, 06:17

A guidance counselor reports that in a given semester, the probability that a student chooses art as an elective is 15 percent, the probability that a student chooses art or drama is 20 percent, and the probability that a student chooses both art and drama is 2 percent.

What is the probability that a student chooses drama as an elective?

5 percent

7 percent

33 percent

37 percent

+4

Answers (1)

Know the Answer?

Keith Green · Answer 1

5 because since art is 15 percent, but then art or drama is 20 percent, that means drama would be 5 percent. the fact that 2 percent choose art and drama is irrelevant information.