SOLUTION: A flashlight has 7 batteries, 3 of which are defective. If 3 are selected at random without replacement, find the probability that all of them are defective.

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Question 1060857: A flashlight has 7 batteries, 3 of which are defective. If 3 are selected at random without replacement, find the probability that all of them are defective.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
(3/7)(2/6)(1/5), since both the numerator and denominator change with each draw
6/210=1/35.