Question
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
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:
| RESULTS OF DIAGNOSIS | ||
| Test Results | Disease Present | Disease Absent |
| Positive for Factor X | 40 | 60 |
| Negative for Factor X | 10 | 140 |
The positive predictive value of this test is:
| 40% | ||
| 56% | ||
| 70% | ||
| 80% | ||
| 93% |
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International Marketing And Export Management
Authors: Gerald Albaum , Alexander Josiassen , Edwin Duerr
8th Edition
1292016922, 978-1292016924
