P ( F a i r | D e a t h ) = P ( D e a t h | F a i r ) P ( F a i r ) ∑ P ( D e a t h | F a i r ) P ( F a i r ) {\displaystyle P(Fair|Death)={\frac {P(Death|Fair)P(Fair)}{\sum _{}^{}P(Death|Fair)P(Fair)}}}