The QA director tells you that the test gives a false positive 2% of the time....

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The QA director tells you that the test gives a false positive 2% of the time. Again, 0.4% of Haven Haptics have the defect, and the test identifies it in 97% of the faulty devices. P(D)=0.004 P(DC)=0. P(T|D) = 0.97 P(T|DC) = 0. % You're looking for the chance that a device has this defect after testing positive for it, or P ). Using the LTP version of Bayes' Rule, you find that only of the devices that test positive are in fact defective-better develop a new test! HAVEN HAPTIC The QA director tells you that the test gives a false positive 2% of the time. Again, 0.4% of Haven Haptics have the defect, and the test identifies it in 97% of the faulty devices. P(D)=0.004 P(DC)=0. P(T|D) = 0.97 P(T|DC) = 0. % You're looking for the chance that a device has this defect after testing positive for it, or P ). Using the LTP version of Bayes' Rule, you find that only of the devices that test positive are in fact defective-better develop a new test! HAVEN HAPTIC