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In a Certain Class of Students, There Are 11 Boys

Question 131

Multiple Choice

In a certain class of students, there are 11 boys from Wilmette, 7 girls from Wilmette, 5 boys from Winnetka, 4 girls from Winnetka, 4 boys from Glencoe, 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) 0.429
B) 0.314
C) 0.571
D) 0.71

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