Apanel of 300 persons chosen for jury duty includes 30 under 25 years of age. Since the jury of 12 persons chosen from this panel to judge a narcotics violation does not include anyone under 25 years of age, the youthful defendant’s attorney complains that this jury is not really representative. Indeed, he argues, if the selection were random, the probability of having one of the 12 jurors under 25 years of age should be many times the probability of having none of them under 25 years of age. Actually, what is the ratio of these two probabilities?

  • CreatedNovember 04, 2015
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