SOLUTION: You have 12 black and 6 blue socks in a draw. The lights stop working and you pick out 2 socks in the dark,What is the probability you get a pair the same colour? a.30/306 b.1

Algebra ->  Probability-and-statistics -> SOLUTION: You have 12 black and 6 blue socks in a draw. The lights stop working and you pick out 2 socks in the dark,What is the probability you get a pair the same colour? a.30/306 b.1      Log On


   



Question 621692: You have 12 black and 6 blue socks in a draw.
The lights stop working and you pick out 2 socks in the dark,What is the probability you get a pair the same colour?
a.30/306
b.102/306
c. 132/306
d. 162/306
e. None of the above
What im really asking is the way to get to the final result.
Thanks in advance

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
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) = %2812%2F18%29%2811%2F17%29+%2B+%286%2F18%29%285%2F17%29=+27%2F51+=+9%2F17