SOLUTION: A drawer has red socks and black socks. You take two socks out at random and the probability that both are red is exactly 1/2. How many socks are in the drawer?

Algebra ->  Probability-and-statistics -> SOLUTION: A drawer has red socks and black socks. You take two socks out at random and the probability that both are red is exactly 1/2. How many socks are in the drawer?      Log On


   

Question 31455: A drawer has red socks and black socks. You take two socks out at random and the probability that both are red is exactly 1/2. How many socks are in the drawer?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
3 red socks and 1 blue sock combinations are 3 rr and 3 rb.