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The normal approximation to the multinomial with an increasing number of classes

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  • Lionel Weiss

Abstract

For a fixed number of classes and the number of trials increasing, the approach of the multinomial cumulative distribution function to a normal cumulative distribution function is familiar. In this paper we allow the number of classes to increase as the number of trials increases, and show that under certain circumstances the probabilities assigned to arbitrary regions by the multinomial distribution are all close to the probabilities assigned by the distribution of “rounded off” normal random variables. As the number of trials increases, the amount rounded off approaches zero. The result can be used to study the asymptotic distribution of functions of multinomial random variables.

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  • Lionel Weiss, 1976. "The normal approximation to the multinomial with an increasing number of classes," Naval Research Logistics Quarterly, John Wiley & Sons, vol. 23(1), pages 139-149, March.
    • Handle: RePEc:wly:navlog:v:23:y:1976:i:1:p:139-149
    DOI: 10.1002/nav.3800230113
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    Cited by:

    1. Lionel Weiss, 1993. "Asymptotically sufficient grouping," Naval Research Logistics (NRL), John Wiley & Sons, vol. 40(3), pages 425-429, April.

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