Question

125 children at summer camp, 45 signed up for swimming, 38 signed up for art. 12 who signed up for swimming also signed up for art. if a child is randomly selected, whats the probability that they are signed up for swimming, if it is known that they did not sign up for art

Answer 1

45 signed up for swimming and DIDNT sign up for art, the probability of randomly selecting one of these students is 45 out of 125 which reduces down to 9/25