The Rapid Test is used to determine whether someone has HIV. The false-positive and false-negative rates are .027 and .080, respectively. A physician has just received the Rapid Test report that his patient tested positive. Before receiving the result, the physician assigned hos patient to the low-risk group with only a 0.5% probability of having HIV. What is the probability that the patient actually has HIV?
What are the sensitivity, specificity, positive predictive value, and negative predictive value in the previous exercise?
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