Of the 750 participants in a professional meeting

Of the 750 participants in a professional meeting, 450 are female and 1/2 of the female and 1/4 of the male participants are less than thirty years old. If one of the participants will be randomly selected to receive a prize, what is the probability that the person selected will be less than thirty years old? 1/8, 1/3, 3/8, 2/5, 3/4