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August 4, 2015

Homework Help: Math

Posted by Nicole on Monday, January 10, 2011 at 2:26pm.

A box contains 2 white calls and 7 pink balls. Two balls are drawn at random from the box.
a) If the first ball is drawn and not replaced, what is the probability that two balls will be drawn of different colors?
b) If the first ball is drawn and then put back, what is the probability that two balls will be drawn of different colors?

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