Question 2 4 pts https://pubs.rsna.org/doi/10.1148/radiol.2020200642c On Feb 26, 2020, a study of 1,014 patients suspected of having the coronavirus in Wuhan, China, was published in the journal Radiology. Patients were tested in two ways: . chest-computed tomography (CT) scans swab tests Positive Swab Test Negative Swab Test TOTAL Positive CT Scan 580 308 888 Negative CT Scan 21 105 126 TOTAL 601 413 1014 What is the probability that a randomly selected patient has a negative swab test? [ Select ] What is the probability that a patient has a negative swab test, given they have a positive CT scan? [ Select ] What is the probability that a randomly selected patient has a positive CT scan?|[ Select ] What is the probability that a patient has a positive CT scan, given they have a positive swab test? [ Select ]Question 5 5 pts Suppose x = the number of courses a randomly selected student at a certain university is taking. The probability distribution of x appears in the following table: x = number of 1 2 3 4 5 6 7 courses Probability P(x) 0.02 0.03 0.09 0.25 0.40 0.16 0.05 What is P (x = 4)? [ Select ] What is Pla