There are 6 girls and 7 boys in a class. A team of 10 players is to be selected from the class. If the selection is random, what is the probability of selecting a team of 5 girls and 5 boys
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# of ways to succeed:: 6C5 * 7C5 = 6 * 21 = 126 ways
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# of random groups of 10:: 13C10 = 286