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Mathematics 19 Online
OpenStudy (anonymous):

A drawer contains 7 black socks, 3 gray socks, and 2 blue socks. Without looking, you draw out a sock and then draw out a second sock without returning the first sock. What is the probability that the two socks you draw are a matching pair?

OpenStudy (anonymous):

pair of black socks P = 7/13 6/12 pair of gray socks P = .. pair of blue socks P = .. add em up.

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