Slide the green dot from 0 to plot the number at the correct
location.
The value for V10 is approximately between 3 and 4
Approximate further to find the values to the tenths
place that v10 is between
Plot V10.
a <√10 ch
tra=
b =

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)