A science class has 3 girls and 7 boys in the seventh grade and 5 girls and 5 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both boys? Write your answer as a fraction in simplest form.
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1 answer

7th grade ... 7/10 boys
8th grade ... 1/2 boys
P(two boys selected) = 7/10 * 1/2 👍
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answered by R_scott
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