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Mathematics, 31.03.2020 03:06 briannmalcolmp3l4pz

An urn contains b blue and r red balls. (a) Balls are removed at random until the first blue ball is drawn. Determine the expected number of balls drawn. b) Now suppose instead that the balls are removed at random until the remain- ing balls are all of the same colour. What is the expected number of balls remaining in the urn

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An urn contains b blue and r red balls. (a) Balls are removed at random until the first blue ball is...
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