Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §8.4 Probability and Calculus, #11 · Probability · Continuous distributions

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Find the mean value $μ = Σ n p_{n}$ or $μ = \int x p (x) d x$ .

$p (x) = 2/ π (1 + x^{2})$ , $x ⩾ 0$

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §8.4 Probability and Calculus, #11

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