A math class has 7 girls and 3 boys in the seventh grade and 3 girls and 9 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition.

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asked Apr 9, 2019 181k views

4 votes

A math class has

7
girls and
3
boys in the seventh grade and
3
girls and
9
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 girls?