Find the indicated probability.
-In a certain class of students, there are 11 boys from Wilmette, 4 girls from Winnetka, 7 girls from Wilmette, 4 boys from Glencoe, 5 boys from Winnetka and 4 girls from Glencoe. If the teacher calls upon a student to
Answer a question, what is the probability that the student will be a boy?
A) 0.314
B) 0.71
C) 0.429
D) 0.571

Question

Quizplus · Accepted Answer

The total number of boys = 11 + 4 + 5 = 20
The total number of students = 11 + 4 + 7 + 4 + 5 + 4 = 35
Therefore, the probability that the student will be a boy = 20/35 = 0.571.

Find the Indicated Probability