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17-05-2017
Mathematics

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Two urns contain white balls and yellow balls. The first urn contains 4 white balls and 4 yellow balls and the second urn contains 4 white balls and 8 yellow balls. A ball is drawn at random from each urn. What is the probability that both balls are white

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Аноним Аноним

17-05-2017

the probability is 2/40 but do NOT simplify

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Аноним Аноним

17-05-2017

P(white ball) first drawn:
4/8 or 1/2
P(white ball) second drawn:
4/12=1/3
As a result, the probability that both balls are white is 1/6. Hope it help!

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