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Mathematics, 08.09.2020 14:01 laxraAragon
An urn contains n m balls, of which n are red and m are black. They are withdrawn from the urn, one at a time and without replacement. Let x be the number of red balls removed before the first black ball is chosen. We are interested in determining e[x]. To obtain this quantity, number the red balls from 1 to n. Now define the random variables xi , i
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An urn contains n m balls, of which n are red and m are black. They are withdrawn from the urn, one...
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