Question: 1. An urn contains five red balls and three green balls. One ball is selected at random and then replaced by a ball of the

1. An urn contains five red balls and three green balls. One ball is selected at random and then replaced by a ball of the other color. Then a second ball is selected at random. What is the probability that the second ball is green?
1. Two people toss two coins each. What is the probability that they get the same number of heads?

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