Agroup of people in an art class and a crafts class were surveyed whether they exercise more than 5 hours a week or less than 5 hours a week. in the art class, 5 people exercise more than 5 hours a week and 8 people exercise less than 5 hours a week. in the crafts class, 10 people exercise more than 5 hours a week and 4 people exercise less than 5 hours a week. what is the relative frequency of people who exercise more than 5 hours a week in the art class to the total number of people surveyed?