f (x) = 4xc for 0 ≤ x ≤ 1 ; Find the constant c so that f (x) is a pdf of some random variable X, and then find the cdf, F (x) = P(X ≤ x). Sketch graphs of the pdf f (x) and the cdf F (x), and find the mean μ and variance σ2.

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Author:Amos Gilat
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f (x) = 4xc for 0 ≤ x ≤ 1 ; Find the constant c so that f (x) is a
pdf of some random variable X, and then find the cdf, F (x) = P(X ≤ x). Sketch graphs
of the pdf f (x) and the cdf F (x), and find the mean μ and variance σ2.

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