12. Determine the area of the shaded region. Use 3 for TT. 12 in 12 in

10% of 1,900,000. show me how you got the answer

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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