Proves Schilling's conjecture that uniform distribution over s-subsets does not minimize expected collection time for 2 ≤ s ≤ n-2 by exhibiting natural non-uniform distributions with explicit lower expected times.
Coupon collector’s problem variants with group drawings
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On a Conjecture on Uniform Group Drawings in the Coupon Collector Problem
Proves Schilling's conjecture that uniform distribution over s-subsets does not minimize expected collection time for 2 ≤ s ≤ n-2 by exhibiting natural non-uniform distributions with explicit lower expected times.