Mathematics, 11.06.2020 20:57 yogiiiii7131
Probability with permutations and combinations
There are 9 students in a class: 7 boys and 2 girls.
If the teacher picks a group of 3 at random, what is the probability that everyone in the group is a boy?
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Probability with permutations and combinations
There are 9 students in a class: 7 boys and 2 girl...
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