Question

In a class of 17 students, 7 students play hockey, 7 students play football and the rest play soccer. What is the probability that a student that plays football or soccer is chosen?

Answer 1

Favourable outcomes = 7  + 3 = 10

Therefore, probability = 10 / 17

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Answer 2

No. Of students playing only football and soccer=total no. Of students - students playing hockey
=17-7=10 students
P(E) =no. of favorable oucomes/total no. of outcomes
No. of favorable outcomes =10
Total no. of outcomes =17
P(E)=10/17 (answer)