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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?

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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4 votes
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?

asked
User M P Mathugama
by
8.3k points

1 Answer

5 votes

Answer:

Total number of students = 10

Probability that all 4 in the group are boys =


(4)/(10) \\ = 0.4

answered
User Parth Dhorda
by
9.2k points
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