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16 March, 22:38

Total of 50 students

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?

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  1. 16 March, 22:54
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    Probability of student playing soccer, P (S) = 20/50 = 0.4

    Probability of girls playing lacrosse, P (L) = 20/50 = 0.4

    Probability of either playing soccer or being a girl = P (S or L) = P (S) + P (L) = 0.4+0.4 = 0.8
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