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A classroom has 25 students, 12 are into sports, 10 are into theater and 4 are into
both sports and theater. What is the probability of students who are into
1. sports?
2. theater?
3. sports or theater?
4. sports and the ater?
5. not into sports or theater?
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1) P(sport) = .
2) P(theater) = = .
3) P(sport or theter) = P(sport) + P(theater) - P(both) = =
4) P(sport and the theater) = .
5) P(not sport or theater) = 1 - P(sport or theater) = 1 - = .
Solved. All questions are answered.