Brian is going to buy his first home for 220,000. He has to put 22,000 down. He needs to spread the payments over 180 months to get a 3.5% fixed annual interest. What is the best estimate of the monthly payment?

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