2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/73607An urn model of Diaconis and some generalizations are discussed. A convergence theorem is proved that implies for Diaconis' model that the empirical distribution of balls in the urn converges with probability one to the uniform distribution.Probability60G48; 60F15; 60C05text