hannahmurphy88 hannahmurphy88
  • 21-11-2022
  • Mathematics
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7 of 8500 people vaccinated against a certain disease later developed the disease. 18 of 10,000 people vaccinated with a placebo later developed the disease. assume the samples are independent and randomly selected. test the claim that the vaccine is effected in lowering the incidence of the disease. use significant level of 0.02

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