SOLUTION: A committee of 3 is selected from jillian, miles, mark, and nikia. How many committees contain 2 boys and 1 girl?
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Question 444745: A committee of 3 is selected from jillian, miles, mark, and nikia. How many committees contain 2 boys and 1 girl?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Assuming that Jillian and Nikia are girls.
nCr=combination of n things taken r at a time.=n!/((n-r)!*r!)
4C3=4 possible combinations.
2 boys and 1 girl have 2 possible combinations, miles, mark and jillian and miles, mark and nikia.
.
Ed
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