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5 4 11 1. An urn contains 20 balls, 40% of which are green. A contestant reaches in the urn to choose three balls; the

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5 4 11 1. An urn contains 20 balls, 40% of which are green. A contestant reaches in the urn to choose three balls; the contestant will win $210 if he or she selects a green ball but will lose $140 for any other colour. The ball is replaced after each draw. Is the game fair? Explain why or why not. [1C, 4A]

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