Adrian has $3,000 from last year's livestock projects. She hopes to open a livestock supply store but needs to pay $15,000 in start-up costs for feed and
equipment for resale. She will borrow $12,000 for eight months at 6% interest.
What is the interest expense?

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