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Let us continue with analyses of data from the study of M Daviglus et al (N...

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Basic Math

Let us continue with analyses of data from the study of MDaviglus et al (N Engl J Med 1997) on the relationship of fishconsumption with death from coronary heart disease (CHD) among1,822 male employees of the Western Electric Company HawthorneWorks in Chicago who were followed for 30 years. we consider the242 men who reported consumption of ? 35 g/day of fish at baseline.Among these 242 men, 46 died of CHD during follow-up.

a. Provide a point estimate and an appropriate 95% confidenceinterval for the 30- year risk (probability) of CHD death amongemployees who typically consume at least 35 g/day of fish.Additionally provide a brief interpretation of your confidenceinterval.

b. Perform a one-sample test to determine whether the 30-yearrisk (probability) of CHD death in those who consumed at least 35g/day of fish is significantly different from 0.25. Make sure tospecify your null and alternative hypotheses and give a briefconclusion.

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a The point estimate for the 30 year risk probability of CHDdeath    See Answer
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