This community-built FAQ covers the “Testing for a Rare Disease” exercise from the lesson “Bayes’ Theorem”.
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This exercise can be found in the following Codecademy content:
FAQs on the exercise Testing for a Rare Disease
- In this lesson, we consider a rare disease affecting 1% of the population and an accurate test for this disease – 99% accuracy. Despite this accuracy, we see in this exercise that you’re very unlikely to have the disease even if the test returns positive. How do we intuitively make sense of this?
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