Suppose the expected 2-year risk of a major cardiovascular event in similar but untreated people is 0.028.

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Suppose the expected 2-year risk of a major cardiovascular event in similar but untreated people is 0.028. Test whether the 2-year risk in those treated with a statin is significantly different from this expected risk at the 5% level. Make sure to state your null and alternative hypotheses and specify your conclusion?


Cardiovascular Disease

Treatment with statins can reduce the risk of a major cardiovascular event in people with specified risk factors. During about 2 years of follow-up in the JUPITER trial (P. M. Ridker et al. [8]) , 142 of 8901 subjects treated with a statin had a major cardiovascular event.

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