Asked by Jen

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 that's correct....

Answers

Answered by Reiny
Prob = (6/30)(5/29)(4/28)(3/27) = 1/1827
Answered by Jen
oh whoa i was way off! thanks Reiny :)
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