9. Arthritis. The Centers for Disease Control and
Chapter 22, Problem 9(choose chapter or problem)
9. Arthritis. The Centers for Disease Control and Preventionreported a survey of randomly selected Americansage 65 and older, which found that 411 of 1012 men and535 of 1062 women suffered from some form of arthritis.a) Are the assumptions and conditions necessary for inferencesatisfied? Explain.b) Create a 95% confidence interval for the difference inthe proportions of senior men and women who havethis disease.c) Interpret your interval in this context.d) Does this confidence interval suggest that arthritis ismore likely to afflict women than men? Explain.
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