Mrs. Moran is filling a small pool with water using a bucket. One bucket of water fills 1/8 of the pool. So, far she has filled 5/8 of the pool with water. How many buckets of water has Mrs. Moran put into the pool so far? A. 18 B. 5/8 C.1 D.5​

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)