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how do you know when to use the hypogeometric distribution (combination x combination/ total combination)? what...

how do you know when to use the hypogeometric distribution (combination x combination/ total combination)? what are some key ideas that indacate that hypogeometric distribution should be used in a problem?
Math   Statistics-And-Probability   
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Answer #1

Note the word without replacement

Denominator is total number of ways to select n items from N items

kCx = number of ways to select x item from k success

(N-k)C(n-x) - number of ways to select n-x item from (N- k) success

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