Hva er uniformfordelingen X∼U(a,b)X \sim U(a,b)X∼U(a,b)?
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f(x)=1b−a\displaystyle f(x) = \frac{1}{b-a}f(x)=b−a1 for a≤x≤ba \leq x \leq ba≤x≤b. E[X]=a+b2\displaystyle E[X] = \frac{a+b}{2}E[X]=2a+b, Var(X)=(b−a)212\displaystyle \text{Var}(X) = \frac{(b-a)^2}{12}Var(X)=12(b−a)2.
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