Inside Front Matter

Probability Density Functions in One Variable
DistributionProbability Density FunctionMeanVariance
Binomial, B(n, p)f(x)=(nx)pxqnx,x=0,1,,n;0<p<,q=1psi1_enpnpq
Bernoulli, B(1, p)f(X)=pxq1x,x=0,1si2_eppq
Geometricf(X)=pqx1,x=1,2,;0<p<1,q=1psi3_e1psi4_eqp2
Poisson, P(λ)f(x)=eλλxX!,X=0,1,;λ>0λλ
Hypergeometricf(x)=(mx)(nrX)(m+nr),whereX=0,1,,r

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