Mathematics, 07.11.2019 00:31 11232003

Ajar contains 4 white and 4 black marbles. we randomly choose 4 marbles. if 2 of them are white and 2 are black, we stop. if not, we replace the marbles in the jar and again randomly select 4 marbles. this continues until exactly 2 of the 4 chosen are white. what is the probability that we shall make exactly n selections?

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Ajar contains 4 white and 4 black marbles. we randomly choose 4 marbles. if 2 of them are white and...

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