Q:

In a certain class of​ students, there are 9 boys from​ wilmette, 3 girls from​ kenilworth, 7 girls from​ wilmette, 6 boys from​ glencoe, 4 boys from kenilworth and 5 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? round your answer to three decimal places.

Accepted Solution

A:
Total Kenilworth students = 4 boys + 3 girls = 7. 
Total students = 9+3+7+6+4+5=34.
So, the probability of a student from Kenilworth being called upon is 7/34=0.20588, or 20.588%