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17. The prevalence of a disease is 16% in population X (n = 20,000). Two screening tests have been developed for this disease. Individuals first
17. The prevalence of a disease is 16% in population X (n = 20,000). Two screening tests have been developed for this disease. Individuals first undergo screening test 1, which has a sensitivity of 85% and specificity of 75%. Only individuals who test positive from screening test 1 undergo the more invasive screening test 2, which has a sensitivity of 95% and a specificity of 80%. Please complete the following contingency tables: (9 points) Screening Test 1 True Disease Status Positive Total Negative Positive Test Result Negative Total Screening Test 2 True Disease Status Positive Total Negative Positive Test Result Negative Total
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