Astudy of dog owners in the city of mayfield showed that 9% of the dog owners took their dog on vacation with them last year. mayfield has approximately 4400 dog owners.

about how many of mayfield’s dog owners took their dog on vacation with them last year?

there are no answer choices

and that is my face right now

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