The slope of the line is 1 The graph represents one side of the roof of a building 16 14 12 101 Vertical Distance (feet) 8 2 x 1 2 3 4 5 6 7 8 Horizontal Distance (feet)

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297