Homework Help: statistics

Posted by Cheryl on Wednesday, September 12, 2012 at 10:53am.

If a bag contains a set of 20 red balls, 10 green balls, and 15 black balls, then what is the possiblity of selecting (in this order) a red ball, a green ball, and a red ball. Without Replacement of the items selected.

Can you explain how you get the answer? Thank you

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