Solve and simplify 1 over 4 multiplied by 4 over 7

He concluded that a heavier object dropped from the same height as a lighter object will land

The solution set for 5v2 – 125 = 0 is

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