Homework Help: math

Posted by mary jackson on Friday, February 22, 2013 at 5:57am.

A jar had 16 marbles 4 are red . One marble is drawn and not replaced. Then s second marble is drawn . What is the probability of selecting a red marble and then another red marble?

math - JJ, Friday, February 22, 2013 at 9:23am
4/16 getting a red the first time

No replacement

3/15 getting a red the second time

Multiply these probabilities together.

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