Artificial grass sells for $10.98 per square yard. find the cost to buy and install 69.2
square yards if the installer charges $5.15 per square yard for labor. round to the
nearest cent.
$1,116.20
$764.97
$367.36
$412.93

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)