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The limiting form of Poisson's distribution. - MaRDI portal

The limiting form of Poisson's distribution. (Q2585419)

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The limiting form of Poisson's distribution.
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    The limiting form of Poisson's distribution. (English)
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    1941
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    Die Poisson-Verteilung \(w(x) = a^x\cdot e^{-a}/\varGamma(x + 1)\) mit dem Mittelwert \(a\) strebt für groß werdende \(a\) gegen die Normalverteilung \(w(x) = (2\pi a)^{-1/2}\exp\{-(x- a)^2/2a\}\) mit dem Präzisionsmaß \((2a)^{-1/2}\) und dem Mittelwert \(a\), wie sich unmittelbar durch Verwendung der Stirlingschen Formel ergibt.
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