(4) Select all equations that can represent the question: "How many groups of 4/5 are in 1?"
(a) ?-1-4/5
(b) 1-4/5=?
(c) 4/5+1=?
(d) 2.4/5=1
(e) 1-4/5=?

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