User contributions
- 08:36, 27 February 2012 (diff | hist) . . (+1) . . 2012 AMC 10B Problems/Problem 18 (→Solution 18)
- 08:34, 27 February 2012 (diff | hist) . . (+6) . . 2012 AMC 10B Problems/Problem 18 (→Solution 18)
- 08:33, 27 February 2012 (diff | hist) . . (+13) . . 2012 AMC 10B Problems/Problem 18 (→Solution 18)
- 08:20, 27 February 2012 (diff | hist) . . (+1,452) . . N 2012 AMC 10B Problems/Problem 18 (Created page with "==Problem 18== Suppose that one of every 500 people in a certain population has a particular disease, which displays no symptoms. A blood test is available for screening for this...")