Week 6 Case Study - Concordia University Nebraska

1,000,000 x.0004= 400 . 400 x.95= 380. 999,600 x.98= 979,608. All positive tests= 20,372. All negative tests= 979,628. Drug Users: 1000 x.10= 100. 100 x.95= 95. 900 x.98= 882. All positive tests= 113. All negative tests= 887 **please see attachment for 2x2 table calculations** 2. Do you think that the EIA is a good screening test for the blood ... ................
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