In 2006 64.7 million people subscribe to cable television in 2013 the number decreased to 53.7 million find percent decrease in the number of cable TV from 2006 to 2013 round to the nearest tenth of a percent 

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)