Question 1120767
(a) Probability (P) (first selected marble is green) = 5/13
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(b) P (all three selected marbles are green) = (5/13) * (4/12) * (3/11) = 0.035
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(c) P (all three selected marbles are black) = (8/13) * (7/12) * (6/11) = 0.1958
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P ( all three selected marbles are of one color) = 0.035 + 0.1958 = 0.2308
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