Homework Help: algebra

Posted by Kelley on Sunday, May 9, 2010 at 6:07pm.

At the first tri-city meeting, there are 8 people from town A, 7 people from town B, and 5 people from town C. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 are from town B. I know this is a combination but I am having a hard time figuring out the answer.

algebra - Anonymous, Monday, May 17, 2010 at 5:36pm
[(8 combination 3)(7 combination 2)(5 combination 0)] divided by (20 combination 5)

= .0758513932
algebra - Anonymous, Monday, May 17, 2010 at 5:36pm
[(8 combination 3)(7 combination 2)(5 combination 0)] divided by (20 combination 5)

= .0758513932

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