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There are 10 students in a class: 7 boys and 3 girls. If the teacher nicks a group of 4 at random, what is the probability that everyone in the group is a boy?
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There are 10 students in a class: 7 boys and 3 girls.

If the teacher nicks a group of 4 at random, what is the probability that everyone in the group is a boy?

User M P Mathugama
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1 Answer

5 votes

Answer:

Total number of students = 10

Probability that all 4 in the group are boys =


(4)/(10) \\ = 0.4

User Parth Dhorda
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