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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 195<br />

✬<br />

Kjer je p zvezna je<br />

✫<br />

Zvezne dvorazseˇzne porazdelitve<br />

F (x, y) =<br />

x<br />

−∞<br />

y<br />

P ((X, Y ) ∈ [a, b) × [c, d)) =<br />

∂F<br />

∂x =<br />

y<br />

−∞<br />

Robni verjetnostni gostoti sta<br />

−∞<br />

b<br />

p(x, v) dv in<br />

pX(x) = F ′ X(x) =<br />

pY (y) = F ′ Y (y) =<br />

p(u, v) dv<br />

a<br />

∞<br />

−∞<br />

∞<br />

−∞<br />

<br />

du,<br />

d<br />

<br />

p(u, v) dv du.<br />

c<br />

∂ 2 F<br />

∂x∂y<br />

p(x, y) dy,<br />

p(x, y) dx.<br />

= p(x, y).<br />

Univerza v Ljubljani ▲<br />

❙ ▲<br />

▲<br />

● ❙ ▲<br />

▲<br />

☛ ✖<br />

▲<br />

✩<br />

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