SOLUTION: A box contains 20 DVDs, 4 of which are defective: If two DVDs are selected at random (with replacement) from this box, what is the probability that both are defective?
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Question 1137962: A box contains 20 DVDs, 4 of which are defective: If two DVDs are selected at random (with replacement) from this box, what is the probability that both are defective?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
with replacement it is 4/20* 4/20
This probability is 0.04
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