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DistributionSheet

DistributionSheet - Permutation P n r n P r n n r n n...

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Permutation : )! ( ! ) , ( r n n P r n P r n Combination : ( ! ! ) , ( k n k n k n C C k n C n k k n Expected Value : 1 ( ) ( ) n ii i E X x p x  22 1 ( ) ( ) n i E X x p x Variance : ( ) ( ) ( ) Var X E X E X  Discrete Distributions Bernoulli ) 1 ( ) ( ) ( 0 1 ) 1 ( ) ( p p X Var p X E x x p q p x f Binomial ) 1 ( ) ( ) ( ) 1 ( ) ( ) ( p np X Var np X E p p k n k f k X P k n k Poisson ) ( ) ( ! ) ( ) ( X Var X E k e k f k X P k Hypergeometric (1 ) () ( ) ) ( 1) Np N p x n x fx N n E X np Nn Var X np p N       Continuous Distributions
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