Question: Exercise 4 (Modeling with random variables) We consider an urn with r red and b black balls. The balls are numbered from 1 to r

Exercise 4 (Modeling with random variables) We consider an urn with r red and b black balls. The balls are numbered from 1 to r + b, where the numbers 1 until r denote the red balls and the numbers r + 1 until r + b denote the black balls, respectively. We draw n

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