Mathematics, 23.04.2020 21:12 rleiphart1
A brother and a sister are in the same math class. There are 9 boys and 12 girls in the class. One boy and one girl are randomly chosen. What is the probability that both the brother and the sister are chosen?
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A brother and a sister are in the same math class. There are 9 boys and 12 girls in the class. One b...
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