Let fx(x) be the probability density function of the random variable X. f(x) = { 2...

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Let fx(x) be the probability density function of the random variable X. f(x) = { 2 34x -3 x 3; otherwise. Determine the E{X2}. [The answer should be a number rounded to five decimal places, don't use symbols such as %] Let fx(x) be the probability density function of the random variable X. f(x) = { 2 34x -3 x 3; otherwise. Determine the E{X2}. [The answer should be a number rounded to five decimal places, don't use symbols such as %]