Answer by Henry for Find probability that after $d$ days you will have...
The easiest way is on a spreadsheet using a recurrence for $p(n,d,x)$ the probability that starting with $n$ balls, then after $d$ days you have exactly $x$ balls coloured. Starting with $p(n,0,0) = 1...
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This is an interview question. i am not sure how to solve such problems.Problem:You are given $n$ white balls in the beginning.Each day you pick up a ball randomly color it red and put it back. If it...
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