Josh has 4 shirts (white, blue, green, and red) and 4 pairs of socks in the same colors. Suppose Josh grabs a shirt and a pair of socks without looking. What is the probability that his shirt and socks won't match?

He has a. 66 chance that it wont match

Josh has 16 different combinations of "outfits" with the 4 colors of shirts and 4 colors of socks.

The combinations are in order: (Shirt, Sock)

White White; White Blue; White Green; White Red

Blue White; Blue Blue; Blue Green; Blue Red;

Green White; Green Blue; Green Green; Green Red;

Red White, Red Blue, Red Green; Red Red

P (Not the same) = 12/16 = 3/4