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 |
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 |