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83 views

Proving a statement on the probabilty of “Drawing distinct items”

I am interested in making a certain statement on the probability distribution of "drawing a sample with $d$ distinct elements, when the sample is of size $k$ and is drawn (with replacement) from a set ...
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1answer
112 views

Probability of finding exactly $m$ cells empty

Another problem on combinatorics. This time I'm asking for a hint and if it is possible a general strategy when dealing with this kind of problems. Show without using the preceding results * that the ...