A widget produced by a particular process has probability .1 of being defective. A test can...

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A widget produced by a particular process has probability .1 ofbeing defective. A test can be performed which has 99% accuracy.That is, if a defective widget is tested, the test will identifythe widget as defective 99% of the time. And if a non-defectivewidget is tested, there is a 99% chance that the test will indicatethat the widget is not defective. One widget is selected at randomand is tested. If the test says that the widget is not defective,what is the probability that the widget actually is defective?

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Pbeing defective 01 Ptest identified the widget as defective defective 099 Ptest identified the widget as not defective non    See Answer
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