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Question: suppose the urn has 7 red balls and 3 black...

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Suppose the urn has 7 red balls and 3 black balls initially, as before; but now suppose that at each draw the color of the ball drawn is noted and the ball is replaced in the urn, together with another ball of the same color. Are the draws independent? Find P(R1),P(R2),and P(R3).

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