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Mathematics, 15.12.2020 17:00 lazarus10
A screening examination was performed on 250 persons for Factor X, which is found in disease Y. A definitive diagnosis for disease Y among the 250 persons had been obtained previously. The results are charted below:
TEST RESULTS Disease Present Disease Absent
Positive for Factor X 40 60
Negative for Factor X 10 140
The specificity of this test is expressed as:
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A screening examination was performed on 250 persons for Factor X, which is found in disease Y. A de...
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