A total of $${5 0}$$ ($$30$$ girls and $$20$$ boys)students play either soccer or lacrosse. - 20 girls play lacrosse. - 20 boys play either soccer or lacrosse. - 20 students play soccer. What is the probability that a student plays soccer or is a girl?

Total number of students $$=50$$ Total number of students play soccer $$=20$$ Probability of a student playing soccer $$=\frac{20}{50}=0.4$$ 20 girls play lacrosse so $$(30-20)=10$$ girls play soccer The probability that a student is a girl= $$30 / 50=0.6$$ The probability that a girl student plays soccer $$=10 / 50=0.2$$ The probability that a student plays soccer or is a girl $$=0.4+0.6-0.2=0.8$$

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MCQ

A total of ${5 0}$ ( $30$ girls and $20$ boys)students play either soccer or lacrosse.

20 girls play lacrosse.
20 boys play either soccer or lacrosse.
20 students play soccer.

What is the probability that a student plays soccer or is a girl?

Select all that apply :

0.8

0.2

0.6

0.5

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