Mathematics
Mathematics, 17.10.2019 01:30, nnaaatt1845

An urn initially contains 5 white and 7 black balls. each time a ball is selected, its color is noted and it is replaced in the urn along with 2 other balls of the same color. compute the probability that (a) the first 2 balls selected are black and the next 2 are white;

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An urn initially contains 5 white and 7 black balls. each time a ball is selected, its color is note...

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