In City A, 10 % have heart disease. A diagnostic test shows positive in 80% of...

 

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In City A, 10 % have heart disease. A diagnostic test shows positive in 80% of those who have heart disease. Diagnostic test shows positive in 5% of those who do not have heart disease. A person selected at random is given the test. a) What's the probability that he/she have No heart disease. b) What's the probability that the test is positive and he/she has disease? c) What's the probability that the test is positive and he/she has No disease? d) find the entries in the following table: Have heart disease No have heart disease positive negative Total Total e) What's the probability that he/she has disease given the test is positive? f) What's the probability that he/she has No disease given the test is negative? In City A, 10 % have heart disease. A diagnostic test shows positive in 80% of those who have heart disease. Diagnostic test shows positive in 5% of those who do not have heart disease. A person selected at random is given the test. a) What's the probability that he/she have No heart disease. b) What's the probability that the test is positive and he/she has disease? c) What's the probability that the test is positive and he/she has No disease? d) find the entries in the following table: Have heart disease No have heart disease positive negative Total Total e) What's the probability that he/she has disease given the test is positive? f) What's the probability that he/she has No disease given the test is negative?

Answer rating: 100% (QA)

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