Mathematics, 05.10.2019 14:00 tatyananannanana

Two urns contain white balls and yellow balls. the first urn contains 9 white balls and 9 yellow balls and the second urn contains 8 white balls and 3 yellow balls. a ball is drawn at random from each urn. what is the probability that both balls are white?

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Two urns contain white balls and yellow balls. the first urn contains 9 white balls and 9 yellow bal...