October 9, 2015

Homework Help: Math

Posted by mathstudent205 on Monday, January 14, 2013 at 8:38am.

Hello everybody!

May I ask you a big favor?
I need help.
What I have is:
A bag contains marbles of three different colors with at least three marbles of each color.
Three marbles are randomly selected, without replacement. How many different color combinations are possible?

I tried to use Combinatorial Calculator here:
numberempire com

And I've got : 10

Seems like it is the right answer, because textbook shows me the same..
But I want to understand the way of solving it.
Please show me step by step solution or the formula.

Thanks in advance.

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