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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 161<br />

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✫<br />

Poissonova porazdelitev P (λ)<br />

Poissonova porazdelitev ima zalogo vrednosti {0, 1, 2, . . .},<br />

njena verjetnostna funkcija pa je<br />

k e−λ<br />

pk = P (#dogodkov = k) = λ<br />

k! ,<br />

kjer je λ > 0 dani parameter<br />

– pogostost nekega dogodka.<br />

Posebno pomembna je v teoriji<br />

mnoˇzične streˇzbe.<br />

pk+1 = λ<br />

k + 1 pk, p0 = e −λ .<br />

Univerza v Ljubljani ▲<br />

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● ❙ ▲<br />

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☛ ✖<br />

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