<prompt> A doctor order 6 tests for SLE. Which of the follo wing is needed for inference?Incidence of SLE and predictivity of each testPrior probability of SLE, sensitivity and specificity of testIncidence and prevalence of SLERelative risk of SLE in the patient  <response>: Post-test probability of a disease in a population PTP IS SAME AS PPV Pre-test probability of a disease in a population pTP IS SAME AS Prevalence 