https://www.oxfordreference.com/display/10.1093/oi/authority.20110803100350146
QT:{{”
suppose a blood type possessed by only 1% of the population is found at a crime scene. The accused has blood of this type. The prosecutor argues that there is only a 1% chance that the accused would have blood of this type (event A, say) if innocent (event B, say) and concludes that the accused is guilty. The prosecutor has quoted P(A|B) when it is P(B|A) that is relevant.
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