有興趣的可以自己印出來，每天背誦！科科～～
mydist={BernoulliDistribution[p],BinomialDistribution[n,p],
HypergeometricDistribution[n,K,N],PoissonDistribution[\[Lambda]],
GeometricDistribution[p],NegativeBinomialDistribution[r,p],
NormalDistribution[\[Mu],\[Sigma]],
ExponentialDistribution[\[Theta]],
GammaDistribution[\[Alpha],\[Beta]],
BetaDistribution[\[Alpha],\[Beta]],StudentTDistribution[v],
ChiSquareDistribution[v],FRatioDistribution[v1,v2]};
TableForm[{PDF[#,x]//TraditionalForm,Mean[#]//TraditionalForm,
Variance[#]//TraditionalForm}&/@mydist,
TableHeadings->{
Table[StringTake[ToString@mydist[[i]],StringPosition[ToString@mydist[[i]],"Distribution"][[1,1]]-1],{i,Length@mydist}],
{"機率分配","期望值","變異數"}}
]
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