suppose we have random variable defined a function of another random variable such that [tex] Y = \mathbb{E}(X) [/tex](adsbygoogle = window.adsbygoogle || []).push({});

it seem then [tex] Y[/tex] is a constant. then [tex] \mathbb{E}(Y) = \mathbb{E}(X) [/tex] does this even make sense ?

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# Functions of random variable and their expected value

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