# Math

posted by Jill

A class has 5 girls 7 boys in seventh grade. 2 girls and 2 boys in eight. Randomly selects a seventh and eight grader. What is probability that the students picked are girls

1. Reiny

Prob(girl in grade 7) = 5/12
prob(girl in grade 8) = 2/4 = 1/2

multiply the two probs

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