Ramon has a sock drawer in which he has five pairs of white socks and five pairs of black socks. Ramon is somewhat lazy, so after he does his laundry, he does not bother to organize the socks but instead just dumps them in the drawer.

If Ramon reaches into the drawer and grabs a pair of socks, how likely is it that he gets a pair of matched socks (i.e. the same color)? Keep reading to find out, or skip ahead to the challenge for a similar question.