SOLUTION: A flashlight has eight batteries, three of which are defective. If two different batteries are selected at random, what is the probability that both of them will be good?

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Question 1141189: A flashlight has eight batteries, three of which are defective. If two different batteries are selected at random, what is the probability that both of them will be good?
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


P(first good) = 5/8
P(second good) = 4/7

Both have to happen, so multiply the two probabilities.