[新しいコレクション] Xy ˆá‚¢ 155108-Xy Aktenzeichen
X,y f X,Y (x,y) = 1 The distribution of an individual random variable is call the marginal distribution The marginal mass function for X is found by summing over the appropriate column and the marginal mass function for Y can be found be summing over the appropriate row f X(x) = X y f X,Y (x,y), f Y (y) = X x f X,Y (x,y)
