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Card 2 / 2:
Hypergeometric Distribution
A discrete random variable (RV) that is characterized by A fixed number of trials. The probability of success is not the same from trial to trial. We sample from two groups of items when we are interested in only one group. X is defined as the number of successes out of the total number of items chosen. Notation: X ~ H ( r , b , n ) . , where r = the number of items in the group of interest, b = the number of items in the group not of interest, and n = the number of items chosen.
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