Mathematics, 08.07.2019 12:00, alexialiles19
Nina completed a third of her homework problems. but 1/2 of all the problems she solved had incorrect answers. if 7 of them she solved had correct answers, then how many problems are in her homework?
Answers: 1
Mathematics, 21.06.2019 19:40, marshallmattah
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
Answers: 1
Nina completed a third of her homework problems. but 1/2 of all the problems she solved had incorrec...
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