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Answer "Yes" | Answer "No" | Total | |
---|---|---|---|
Truth | (teeth-brushers) | (non-brushers) | 400 |
Lie | (non-brushers) | (teeth-brushers) | 800 |
Total | 500 | 700 | 1200 |
Answer "Yes" | Answer "No" | Total | |
---|---|---|---|
Truth | $\frac{2}{6}B$ | $\frac{2}{6}A$ | 400 |
Lie | $\frac{4}{6}A$ | $\frac{4}{6}B$ | 800 |
Total | 500 | 700 | 1200 |
Answer "Yes" | Answer "No" | Total | |
---|---|---|---|
Truth | $\frac{2}{6}B$ | $\frac{2}{6}A$ | $\frac{2}{6}n$ |
Lie | $\frac{4}{6}A$ | $\frac{4}{6}B$ | $\frac{4}{6}n$ |
Total | $Y$ | $n-Y$ | $n$ |