I NEED YOUR HELP PLEASE!! Peer review happens when:
A. your teacher grades your paper and gives you feedback for next time
B. your mom looks at what you wrote and tells you to make some changes
C. a friend or fellow student gives you ideas on how make to make a story even better
D. you keep all drafts of your paper to yourself until you publish it

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)