To evaluate the performance of a new diagnostic test, the developer checks it out on 100 known cases of the disease for which the test was designed, and on 200 controls known to be free of the disease. Ninety of the cases yield positive tests, as do 30 of the controls. Based on these data, the positive predictive value and false discovery rate (false positives among those who test positive), respectively, are: Question 10 options: 75% and 25% 75% and 15% 85% and 15% 85% and 25%