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OpenStudy (anonymous):
Randy has 4 black socks, 3 brown socks, and 3 blue socks in his drawer. If he selects 2 socks at random, what is the probability that he will select a pair the same color?
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OpenStudy (anonymous):
7/10 I think
OpenStudy (anonymous):
How did you get that?
OpenStudy (anonymous):
because 4 black socks thats two pairs (2) and then three brown socks thats one pair (1) and then three blue socks would be one pair too (1) so my bad i think its 4/10 and10 is the total amount of socks so it would be the denominator
OpenStudy (anonymous):
Oh. Thanks!
OpenStudy (anonymous):
No problem man
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