The chart below shows one store's sales of computers, listed by model.
may
june
c
ding
c
me percent rate, how many poreg computers wi ill be sold
if the changes in sales betwee
in july?
2
7
b.
c
d.
143
114
84

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)