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Two poisson limit theorems for the coupon collector’s problem with group drawings
Published online by Cambridge University Press: 22 November 2021
Abstract
In the collector’s problem with group drawings, s out of n different types of coupon are sampled with replacement. In the uniform case, each s-subset of the types has the same probability of being sampled. For this case, we derive a Poisson limit theorem for the number of types that are sampled at most $c-1$ times, where $c \ge 1$ is fixed. In a specified approximate nonuniform setting, we prove a Poisson limit theorem for the special case $c=1$ . As corollaries, we obtain limit distributions for the waiting time for c complete series of types in the uniform case and a single complete series in the approximate nonuniform case.
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- © The Author(s), 2021. Published by Cambridge University Press on behalf of Applied Probability Trust
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