Find the expected value and variance for the random variable whose probability density function is $f ( x ) = 2 ( x - 1 )$ 1 ≤ x ≤ 2.
Enter just two reduced fractions (unlabeled) in the order E(X), Var(X) separated by a comma.

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The Answer of Find the expected value and variance for the random variable whose probability density function is $f ( x ) = 2 ( x - 1 )$ 1 ≤ x ≤ 2.
Enter just two reduced fractions (unlabeled) in the order E(X), Var(X) separated by a comma.

Find the Expected Value and Variance for the Random Variable f(x)=2(x−1)f ( x ) = 2 ( x - 1 )f(x)=2(x−1)

Find the Expected Value and Variance for the Random Variable $f ( x ) = 2 ( x - 1 )$