Expectância funções de v.a.
Z = g(X,Y)
E[Z] = Integral_-inf to +inf (Integral_-inf to +inf (g(x,y) * f_X,Y(x,y)) dx) dy
Para o caso de serem discretas
E[Z] = SUM_i SUM_n (g(xi,yn) * p_X,Y(xi,yn))
Last updated
Z = g(X,Y)
E[Z] = Integral_-inf to +inf (Integral_-inf to +inf (g(x,y) * f_X,Y(x,y)) dx) dy
Para o caso de serem discretas
E[Z] = SUM_i SUM_n (g(xi,yn) * p_X,Y(xi,yn))
Last updated