Mathematics, 09.03.2021 20:50, bnnn

A science class has 7 girls and 3 boys in the seventh grade and 4 girls and 4 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

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A science class has 7 girls and 3 boys in the seventh grade and 4 girls and 4 boys in the eighth gra...