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| rev | Admin | (Created page with "'''Solution: D''' Note that <math display = "block"> \operatorname{E}[X] = \int_{-2}^0 \frac{-x^2}{10} dx + \int_0^4 \frac{x^2}{10} dx = \frac{-x^3}{30} \Big |_{-2}^0 + \fr...") | May 1'23 at 11:42 | +247 |