The percent distribution of live multiple-delivery births (three or more babies) in a particular year for women 15 to 54 years old is shown in the pie chart. find each probability. a pie chart labeled "number of multiple births" is divided into seven sectors with labels and approximate sizes as a percentage of a circle as follows: 15-19, 1.3 percent; 20-24, 6.4 percent; 25-29, 21.5 percent; 30-34, 37.5 percent; 35-39, 24.7 percent; 40-44, 5.1 percent; 45-54, 3.5 percent. number of multiple births 15-19 1.3% 20-24 6.4% 25-29 21.5% 30-34 37.5% 35-39 24.7% 40-44 5.1% 45-54 3.5% a. randomly selecting a mother 30-39 years old