John D. Cook personal blog

A Bayesian view of Amazon resellers (2011)

by John johndcook.com published 2011-09-28

I was buying a used book through Amazon this evening. Three resellers offered the book at essentially the same price. Here were their ratings: 94% positive out of 85,193 reviews 98% positive out of 20,785 reviews 99% positive out of 840 reviews Which reseller is likely to give the best service? Before you assume it's

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