Sam and Carlos are bowling with plastic pins in Sam's living room. Remarkably, Sam knocks down 888 pins on every bowl, and Carlos knocks down 999 pins on every bowl. At the end of the day, Sam and Carlos have knocked down the same total number of pins.
What is the least number of total pins that Sam and Carlos could have each knocked down?

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)