# Question: P A1 5 20 P A2 5 40 P A3

P (A1) 5 .20, P (A2) 5 .40, P (A3) 5 .40, P (B1ƒA1) 5 .25, P(B1ƒA2) 5 .05, and P(B1ƒA3) 5 .10.

Use Bayes’ theorem to determine P (A3ƒB1).

Use Bayes’ theorem to determine P (A3ƒB1).

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