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Question 22 (4 points) A survey was conducted to estimate the prevalence of diagnosed dry eye disease (DED). Using the table below, construct a 90%
Question 22 (4 points) A survey was conducted to estimate the prevalence of diagnosed dry eye disease (DED). Using the table below, construct a 90% confidence interval for the difference between the proportion of men and women with diagnosed DED (i.e. Pm - Pf). Number of people Number of people Group with diagnosed Proportion that were surveyed DED Male 35428 1895 0.0535 Female 37783 3156 0.0835 Hint: Please keep to at least 4 places past the decimal in your calculations! [Source: Farrand KF, Fridman M, Stillman IO, Schaumberg DA, Dry eye in the Beaver Dam Offspring Study: prevalence, risk factors, and health-related quality of life. Am J Ophthalmol 2017; 182: 90-98.]\fQuestion 23 (4 points) Suppose you are gauging the severity of a new foodborne illness that is localized in two area hospitals. To estimate this, you recorded data from the two hospitals of patients diagnosed with foodborne disease and admitted for observation for at least one night. The data you collected is summarized below: Hospitals Sample size (n) .53 In conducting a test of significance at O( = 5% with the hypotheses Ho: p1 p2 = O and Ha: p1 p2 :9 0, you would have concluded that _____ . O A) There is no significant difference between the proportions of admitted patients with the foodborne illness from the two area hospitals. 0 B) More information is needed to answer this. 0 C) Hospital 1 has a significantly higher proportion of admitted patients compared to hospital 2. O D) Hospital 2 has a significantly higher proportion of admitted patients compared to hospital 1. O E) There is a significant difference between the proportions of admitted patients with the foodborne illness from the two area hospitals
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