February 20, 2017

Homework Help: Algebra 1

Posted by Bart on Monday, February 14, 2011 at 11:35pm.

I do not understand how to figure out probability.

Lee has an urn with 8 white marbles and 10 black marbles. A marble is drawn at random and not replaced. Then a second marble is drawn randomly. What is the probability that the first is white and the second is black?

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