Exercise 2.4 - Bayes rule for medical diagnosis

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Let ill and positive denote the event that you are infected and are tested positive for this disease respectively. Let health denote the opposite event of ill. Apply Bayes’s rules:

\begin{align} Pr (ill | positive) = & \frac{Pr (ill, positive)}{Pr (positive)} \\ = & \frac{Pr(ill)Pr(positive | ill)}{Pr(ill)Pr(positive | ill)+Pr(health)Pr(positive | health)} \\ = & 0.0098 . \end{align}

solour_lfq

2021-03-24 13:42

Exercise 2.4 - Bayes rule for medical diagnosis

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