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Lastnosti verjetnosti 1. Za dogodka A in B velja: P(A ∪ B) = P(A) + P ...

Lastnosti verjetnosti 1. Za dogodka A in B velja: P(A ∪ B) = P(A) + P ...

Lastnosti verjetnosti 1. Za dogodka A in B velja: P(A ∪ B) = P(A) + P ...

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Verjetnost <strong>in</strong> statistika, FRI, 2006<br />

Poissonova porazdelitev P(λ)<br />

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

verjetnostna funkcija pa je<br />

p k = P(#dogodkov = k) = λ ke−λ<br />

k!<br />

kjer je λ > 0 dani parameter – pogostost nekega <strong>dogodka</strong>.<br />

Posebno pomembna je v teoriji množične strežbe.<br />

p k+1 =<br />

λ<br />

k + 1 p k,<br />

p 0 = e −λ<br />

Aleksandar Jurišić 30

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