Problem 2 (Bayes' Theorem) Suppose that 4% of the patients tested in a clinic are in- fected with avian influenza. Furthermore, suppose that when a blood test for avian influenza is given, 97% of the patients infected with avian influenza test positive and that 2% of the patients not infected with avian influenza test positive. What is the probability that a) a patient testing positive for avian influenza with this test is infected with it? b) a patient testing positive for avian influenza with this test is not infected with it? c) a patient testing negative for avian influenza with this test is infected with it? d) a patient testing negative for avian influenza with this test is not infected with it?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Problem 2
(Bayes' Theorem)
Suppose that 4% of the patients tested in a clinic are in-
fected with avian influenza. Furthermore, suppose that
when a blood test for avian influenza is given, 97% of the
patients infected with avian influenza test positive and
that 2% of the patients not infected with avian influenza
test positive. What is the probability that
a) a patient testing positive for avian influenza with this
test is infected with it?
b) a patient testing positive for avian influenza with this
test is not infected with it?
c) a patient testing negative for avian influenza with this
test is infected with it?
d) a patient testing negative for avian influenza with this
test is not infected with it?
Transcribed Image Text:Problem 2 (Bayes' Theorem) Suppose that 4% of the patients tested in a clinic are in- fected with avian influenza. Furthermore, suppose that when a blood test for avian influenza is given, 97% of the patients infected with avian influenza test positive and that 2% of the patients not infected with avian influenza test positive. What is the probability that a) a patient testing positive for avian influenza with this test is infected with it? b) a patient testing positive for avian influenza with this test is not infected with it? c) a patient testing negative for avian influenza with this test is infected with it? d) a patient testing negative for avian influenza with this test is not infected with it?
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