statistic 難題

2010-11-30 5:33 am
Jointly Distributed Random Variables : Joint Density and Conditional DensityThe joint density function of X and Y is given by f(x,y)=xe^[-x(y+1)], x>0, y>0.

a) Find the conditional density of X, given Y=y and that of Y, given X=x.
b) Find the density function of Z=XY.

回答 (1)

2010-11-30 7:50 am
✔ 最佳答案
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2010-11-29 23:50:57 補充:
http://img149.imageshack.us/img149/4508/84647473.png


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