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OpenStudy (anonymous):
A jar contains 8 green, 5 red, 4 blue, and 3 black marbles.once a marble is selected, it is not replaced. find each probability. 1) p(two green marbles) 2) p(two black marbles) 3) p(a red marble and then a blue marble) 4) p(a black marble then a green marble) 5) p(two marbles that are not red) 6) p(two marbles that are neither blue nor green) 7) a family has two children, both of whom are boys. what is the probability that the next child will be born a boy?
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