Q5. The probability density function for a random variable X is given by Jax + bx², 0≤x≤1 otherwise. f(x) = 0, If E(X)= 0.4, find Var (X). (Note: Answer should have a numerical value.)

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Q: 0. Let X be a non-negative discrete random variable. Prove that E(X) = | (1-F(2)) dæ 0,

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