Mathematics, 18.11.2019 20:31, jakadendin

Aroom contains three urns: u1, u2, u3. u1 contains 3 red and 2 yellow marbles. u2 contains 3 red and 7 yellow marbles. u3 contains 1 red and 4 yellow marbles. 66) referring to urns we enter the room and select an urn, but we are not sure which, and then we randomly remove a marble from the urn. find the probability that the marble is red.

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Aroom contains three urns: u1, u2, u3. u1 contains 3 red and 2 yellow marbles. u2 contains 3 red an...