Exercise 8: (Hard) Let us suppose that f is a probability density function, and f(x) = 0 if x < a or if x > b. Then show that the variance V can be computed as: x²f(x) dx – x² f(x) dx – E². xf(x) dx

Q: =) Find u and o.

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Q: a) The PDF fy (y) b) The mean E[Y]

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