Conditional Probabilityeasy
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A test detects a virus with 95% sensitivity (true positive rate). If the virus is not present, the test is negative 98% of the time. If 1% of the population has the virus, what is the probability someone with a positive test actually has the virus?
A test detects a virus with 95% sensitivity (true positive rate). If the virus is not present, the test is negative 98% of the time. If 1% of the population has the virus, what is the probability someone with a positive test actually has the virus?