Use probabilities to make fair decisions in more complex settings.
Audit chance, efficiency, and transparency separately
Problem
A visible \(12\text{-}\text{sector}\) spinner has \(\text{four}\) sectors each for A, B, and C with no rerolls. Audit fairness, acceptance per spin, expected spins, and transparency.
Big Picture
What this problem is really about
Treat chance, efficiency, and transparency as three separate audit questions. Equal participant probability answers the fairness question; acceptance probability and expected attempts measure operational efficiency; visible, verifiable rules support transparency. A strong method must be evaluated on each criterion directly, because success on one dimension does not establish the others.
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