9 In a certain class of students there are 11 boys from Wilm

9) In a certain class of students, there are 11 boys from Wilmette, 3 girls from Kenilworth, 9 girls from Wilmette, 5 boys from Glencoe, 5 boys from Kenilworth and 7 girls from Glencoe. If the teacher calls upon a student to answer a question, what is the probability that the student will be from Kenilworth?