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. Author manuscript; available in PMC: 2016 Jul 6.
Published in final edited form as: Annu Rev Stat Appl. 2016 Mar 9;3:51–77. doi: 10.1146/annurev-statistics-041715-033428

Table 1. Conditional probability table for the nodes representing what the witnesses say.

Witness reliable True False
Fact True False True False
Witness says face is True 1 0 0.5 0.5
Witness says face is False 0 1 0.5 0.5