SOLUTION: Out of 15 boys and 9 girls, how many different committees can be formed each consisting of 6 boys and 4 girls?
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Question 329066: Out of 15 boys and 9 girls, how many different committees can be formed each consisting of 6 boys and 4 girls?
Answer by galactus(183) (Show Source): You can put this solution on YOUR website!
Choose 6 from the 15 boys and 4 from the 9 girls.
Do you have a calculator that does combinations and permutations?. Many calculators do these operations. It is easier than working through the formula.
Example:
If we write this out and cancel the appropriate terms, we get:
Cancelling, it whittles down to:
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