4 out of 10 finalists are brunettes... The probability that the winner will be a brunette is 4/10 (...2/5 if you choose to simplify, and if you divide those numbers, you'd get 0.4, which would be 40%)
The 10 finalists in the local beauty pageant include 3 blonds, 4 brunettes, 1 redhead, and 2 black-haired women. What is the probability that the winner will be a brunette?