Question: Hi, I am struggling with finding expected values. Suppose X and Y are independent random variables, each of zero mean. Assuming that the respective marginal

Hi, I am struggling with finding expected values.

Suppose X and Y are independent random variables, each of zero mean. Assuming that the respective marginal distributions are such that all relevant moments exist, determine whether the following statements are (always) true: (a) E[(X + Y)?] = E(X?) + E(Y2); (b) E[(X + ) 3] = E(X3) + E(3)

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