SOLUTION: In the dryer there are 18 red socks, 24 white socks, 8 blue socks and 10 black socks. Fred wants to have two matching socks to wear. He reaches into the dryer and without looki

Algebra ->  Probability-and-statistics -> SOLUTION: In the dryer there are 18 red socks, 24 white socks, 8 blue socks and 10 black socks. Fred wants to have two matching socks to wear. He reaches into the dryer and without looki      Log On


   

Question 1106842: In the dryer there are 18 red socks, 24 white socks, 8 blue socks and 10
black socks. Fred wants to have two matching socks to wear. He reaches
into the dryer and without looking pulls one sock out at a time. What is
the minimum number of socks he needs to pull out to be sure he gets a
matching pair? Why?
Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!

5.  For even if he pulls out one of each of the 4 colors the first
4 times, the 5th sock he pulls out must match one of them.
Edwin