a drawer contains 9 identical red socks and 6 identical black socks. suppose that you choose 2 socks at random in the dark. what is the probability that you get 2 matched socks?
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a drawer contains 9 identical red socks and 6 identical black socks. suppose that you choose 2 socks at random in the dark. what is the probability that you get 2 matched socks?
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