Question: The density function of a random variable X is f (x) = a + bx2, 0 x 1. If we know that E(X)

The density function of a random variable X is f (x) = a + bx2, 0 ≤ x ≤ 1.

If we know that E(X) = 3∕5, what are the values of a and b?

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