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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 257<br />

✬<br />

✫<br />

ˇSe nekaj izrekov<br />

(Hinčin) Če so neodvisne slučajne spremenljivke Xi enako porazdeljene<br />

in imajo matematično upanje EXi = a za vsak i,<br />

potem velja zanje ˇ<strong>si</strong>bki zakon velikih ˇstevil, tj. za vsak ε > 0 je<br />

lim<br />

n→∞ P<br />

<br />

Sn <br />

− a<br />

n < ε = 1.<br />

(Kolmogorov) Če so slučajne spremenljivke Xi neodvisne, imajo končno<br />

∞ DSn<br />

disperzijo in velja < ∞, potem velja krepki zakon velikih ˇstevil:<br />

n2 n=1<br />

<br />

P lim<br />

n→∞<br />

Sn − ESn<br />

n<br />

<br />

= 0<br />

= 1.<br />

Univerza v Ljubljani ▲<br />

❙ ▲<br />

▲<br />

▲<br />

● ❙ ▲<br />

▲<br />

☛ ✖<br />

✩<br />

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