Question 938077
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Hi
A: .50, (.004def)     .002
B: .30  (.006def)     .0018
C: .20  (.012def)     .0024
tot:                         .0062
choose one
P(def) = .0062  0r .62%
....
P(A|B) = P(A and B)/P(B)
P(B |def) = {{{.30*.006/.0062}}} =  .2903  0r 29.03 %