2. True help will be greatly appreciated, tricks or games will be reported; no links or websites or pdfs. Thanks!

John bought 2 horses at rs 20000 each

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

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?