A bag contains a total of 8 batteries, of which three are defective. Selecting three at random, without replacement, determine the probability that none of the batteries you select are good.

Question

A bag contains a total of 8 batteries, of which three are defective.  Selecting three at random, without replacement, determine the probability that none of the batteries you select are good.

anonymous · Answer

if ur drawing the batteries at the same time , then the probability is 3/8
but wen ur drawing batteries one by one then, the probability is (3/8)*(2/7)8(1/6)

anonymous · Answer

gramiof2:got it?

anonymous · Answer

i think the 8 is a typo yes?

anonymous · Answer

$$\frac{3}{8}\times \frac{2}{7}\times \frac{1}{6}$$

anonymous · Answer

I think it is 1/56

anonymous · Answer

yea the 8 there was *---missed the shift key :)