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Take a Test Pamela Baptiste Harris Internet Explorer P http Student/Play d-12412

ID: 3125282 • Letter: T

Question

Take a Test Pamela Baptiste Harris Internet Explorer P http Student/Play d-124126666 bing mnSn YAHOO Search Tiger Woods MyMathLab Help Pamela Baptiste Harris 2/14/16 12:56 AM Quiz: Module 3 Quiz Submit Quiz This Question: 2 pts 5 of 12 (0 complete This Quiz: 17 pts possible Refer to the table which summarizes the results of testing for a certain disease. Positive Test Negative Result Test Result Subject has the disease 80 153 Subject does not have the disease 27 If one of the results is randomly selected, what is the probability tha it is a false positive (test indicates the person has the disease when in fact they don't)? Round the probability to three decimal places. What does this probability suggest about the accuracy of the test? O A. 0.150; The probability of this error is high so the test is not very accurate O B. 0.399; The probability of this error is high so the test is not very accurate O C. 0.030; The probability of this error is low so the test is fairly accurate O D. 0.101; The probability of this error is high so the test is not very accurate Click to select your answer 12:56 AM HE Search the web and Windows 2/14/2016

Explanation / Answer

selecting a test randomly, then probability that it is false positive is

= (1/2) (27/180)=0.03

Answer is (c)

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