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A bag contains 13 marbles of which 10 are red. A marble is selected at random and replaced. A second marble is then selected at...Asked by nicole
A bag contains 13 marbles of which 10 are red. A marble is selected at random and replaced. A second marble is then selected at random. What is the probability that both marbles are red?
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Answered by
bobpursley
Pr(both red)=10/13*10/13