(25 points) An urn contains 2 white balls and 4 black balls. You remove the balls one by one from the urn (without replacement) a) (15 points) What is the probability that the first two balls removed from the urn are black? b) (10 points) What is the probability that the last removed ball is white?
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a) Probability that the first ball removed is black: 4/6 Probability that the second ball removed is black, given that the first ball was black: 3/5 Show more…
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