[問題] 期望值
Three number are independently picked from a uniform distribution (0,5)
Let X1 X2 X3 be the three numbers and let g(X1,X2,X3)be the function:
g(X1,X2,X3)=X1X2^2X3
(1)E(g(X1,X2,X3))
(2)E(X1X2^2X3)
兩小題的差別在哪裡呢??
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