10) Please calculate the Sensitivity and Specificity from the 2 by 2 (Screening Test A). (2 points) Diseased Not Diseased 20 80 Test+ Test - Sensitivity = Specificity= 100 10 How many false positives are there? (1 point) 12) Please Calculate the Sensitivity and Specificity of Screening Test B (2 points) Test Positive Test Negative D 34 2 If I wanted to limit the number of false positives, which of the two screening tests would be preferred? A or B? (1 point) Test+ Test - Not D 8 13 13) 20 People have disease and 80 people do not have a disease. The sensitivity of the test is 0.75. The specificity of the test is 0.60. Fill in the following table ( points) Disease Present No Disease Present Total