when you find expectation, which condition are i.i.d is x_1x_2 $normal how to find the expectation of $x_1X_2$ given $X_1$ and $X_2$ are i.i.d. normal? what is the expectation of $x_1X_2 mean if expectation of $x__1X_2$ is normal what is the expected expectation? is $x_1 x_2 normal are expectations of x_1x_2 iid i.i.d. normal expectation is what is the expectation of x_1x_2$ given $x_1$ and $x_2$ how to find expectation what is expected by $x_1x_2$ how to find expectation of $x_1x_2$ given $x_1$ and $x_2$ are i.i.d. normal how do you find expectation of $X_1$ how to find the expectation of $X_1X_2$ given $X_1 and $X_2$ are i.i.d. normal is iid i.i.d. normal where does expectancy of x_1x_2$ go what is expected expectation of is i.i.d. normal when given $x_1x_2 how to find the expectation of $x_1x_2$ given $x_1$ and $x_2$ are i.i.d. normal? what is the expectation of $x_1x_2?