Conditional Probability in Medical Testing
A diagnostic test for a specific disease has a sensitivity of 0.95 (the probability of a positive test for an individual with the disease) and a specificity of 0.90 (the probability of a negative test for an individual without the disease). If the prevalence of the disease in a population is 2%, what is the probability that a person who tests positive actually has the disease?
A
0.02
B
0.83
C
0.16
D
0.95
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