Mathematics, 10.08.2019 01:30, XCNajera2003
Jacob distributed a survey to his fellow students asking them how many hours they'd spent playing sports in the past day. he also asked them to rate their mood on a scale from 0 to 10, with 10 being the happiest. which of the following is the best estimate of the average change in mood rating associated with a 1 hour increase in hours playing sports?
Answers: 2
Mathematics, 21.06.2019 19:00, libi052207
Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12
Answers: 2
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
Jacob distributed a survey to his fellow students asking them how many hours they'd spent playing sp...
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