Given a test for a virus with sensitivity = 0.94 and specificity = 0.98 is administered to a population where 25% actually has the virus. ) Determine the probability of: i) a false positive (positive test, but no virus) ii) a false negative (has the virus, but negative test) iii) a correct diagnosis (either virus and positive or no virus and negative) ) Determine the PPV (positive predictive value) for the test.
Given a test for a virus with sensitivity = 0.94 and specificity = 0.98 is administered to a population where 25% actually has the virus. ) Determine the probability of: i) a false positive (positive test, but no virus) ii) a false negative (has the virus, but negative test) iii) a correct diagnosis (either virus and positive or no virus and negative) ) Determine the PPV (positive predictive value) for the test.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
Problem 6CR
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