Conditional Probabilityeasy
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A medical test for a rare disease has P(positive test | has disease) = 0.99 and P(negative test | no disease) = 0.98. If 0.5% of the population has the disease, what is the probability someone who tests negative actually has the disease?
A medical test for a rare disease has P(positive test | has disease) = 0.99 and P(negative test | no disease) = 0.98. If 0.5% of the population has the disease, what is the probability someone who tests negative actually has the disease?