Question 621692
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Hi,
You have 12 black and 6 blue socks in a draw.  {{{18}}} Total
pick out 2 socks in the dark. What is the probability you get a pair the same colour?
P(2 black 'or' 2 blue) = {{{(12/18)(11/17) + (6/18)(5/17)= 27/51 = 9/17}}}