D Question 12 1 pts Before testing for COVID, Justin has a prior probability of 0.3 of having COVID. If Justin has COVID, there is a probability of 0.99 that the test would come positive and a probability of 0.01 that the test would come out negative. If Justin does not have COVID, there is a probability of 0.02 that the test would come positive and a probability of 0.98 that the test would come out negative. The test comes out positive. What is the posterior probability that Justin has COVID? D Question 13 1 pts Jennifer takes a COVID test. If Jennifer has COVID, there is a probability of 0.92 that the test would come positive and a probability of 0.08 that the test would come out negative. If Jennifer does not have COVID, there is a probability of 0.2 that the test would come positive and a probability of 0.8 that the test would come out negative. After the test comes out negative, the doctor has a posterior odds-ratio of 2.5 that Jennifer has COVID. What was the doctor's prior odds-ratio that Jennifer has COVID