(Answered) Question medicine and clinical studies in a major health

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Question: Medicine and Clinical Studies In a major health study, a random sample of adult males was obtained and each was tested for symptoms of heart disease yearly for a decade. Subjects were divided into those who regularly donated blood and those who did not. The results are given in the table below.

a. Find a 95% confidence interval for the population proportion of males who donate blood who have heart disease.

b. Find a 95% confidence interval for the population proportion of males who do not donate blood who have heart disease.

c. Is there any evidence to suggest the proportion of males with heart disease is different for those who donate blood and those who do not?

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