SOLUTION: in how many ways can a committee of 7 be formed if there are 10 dogs and 15 cats to choose from and the committee must consist of at least one cat?

Question 356644: in how many ways can a committee of 7 be formed if there are 10 dogs and 15 cats to choose from and the committee must consist of at least one cat?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
in how many ways can a committee of 7 be formed if there are 10 dogs and 15 cats to choose from and the committee must consist of at least one cat?
------------
# of committees with no cats: 10C7
---
# of committees with no restrictions: 25C7
----
# of committees with at least one cat:
25C7 - 10C7 = 480,580
======================
Cheers,
Stan H.

RELATED QUESTIONS
In how many ways can a committee of 7 be formed if there are 10 dogs and 15 cats to... (answered by ewatrrr)

In how many ways can a committee of 7 be formed if there are 10 dogs and 15 cats to... (answered by ewatrrr)

Please help with this homework: In how many ways can a committee of 7 be formed if there (answered by sudhanshu_kmr)

I need help with this problem from my homework. 1. In how many ways can a committee of (answered by sudhanshu_kmr)

I asked for assistance on these problems and got incorrect answers. Please help me find... (answered by scott8148)

In how many ways can a MathSci Committee of 5 be formed from 7 Math lovers and 5 Science... (answered by ewatrrr)

There are 7 women and 5 men in a department. Four people are needed for a committee. a)... (answered by VFBundy)

In how many ways can a committee consisting of 3 faculty members and 5 students be formed (answered by math_helper)

In how many ways can a committee of 7 students be chosen from 9 juniors and 9 seniors if... (answered by Edwin McCravy)