Mathematics, 05.05.2020 13:06 Suphat

A science class has 3 girls and 3 boys in the seventh grade and 5 girls and 3 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 3 girls and 3 boys in the seventh grade and 5 girls and 3 boys in the eighth gra...

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