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Questions and answers by
Deep Akabari
Answers (1)
Hint: We know P(S1)=0.30, P(S2)=0.20, P(S3)=0.28, P(S4)=0.22. If D is the defect case than we know also P(D|S1)=0.01, P(D|S2)=0.02, P(D|S3)=0.03,and P(D|S4)=0.04. Now, the question is asking you to determine P(S1|D)+P(S4|D). Can you determine these