Mathematics, 20.03.2020 00:29 okayjimz2003ov47ik

A science class has girls and boys in the seventh grade and girls and 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?

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A science class has girls and boys in the seventh grade and girls and boys in the eighth grade. The...