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A brother and a sister are in the same math class. There are 8 boys and 10 girls in the class. One boy and one girl are randomly chosen. What is the probability that the brother and sister are chosen? Write your answer as a fraction in simplest form.

User Mayas
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|\Omega|=8\cdot10=80\\ |A|=1\\\\ P(A)=(1)/(80)

User Jmfolds
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