Tuesday
September 23, 2014

Homework Help: Math-probability

Posted by Jen on Friday, July 29, 2011 at 6:47pm.

A bag contains a total of 30 batteries, of which six are defective. Selecting four at random, without replacement, determine the probability that none of the batteries you select are good.

I think it's 2/15, but im not sure if thats correct....

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