9 Let the probability density of the two-dimensional random variable (5, n) be (4e", x>0; f(x)=10. [6e*, y>0; S,0)= { [0, xS0. yso. Find E(2 3 +3 n ).

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9 Let the probability density of the two-dimensional random
variable (5, n) be
(4e*",x>0;
S,(x) = {
t0,
(6e, y>0;
1,0) =;
xS0.
ys0.
Find
E(2ξ +3 η ).
Transcribed Image Text:9 Let the probability density of the two-dimensional random variable (5, n) be (4e*",x>0; S,(x) = { t0, (6e, y>0; 1,0) =; xS0. ys0. Find E(2ξ +3 η ).
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