Mathematics, 16.10.2019 19:30, snicklegirlp4isqr

Two urns contain white balls and yellow balls. the first urn contains 2 white balls and 7 yellow balls and the second urn contains 10 white balls and 4 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 2 white balls and 7 yellow bal...