Problem 8. Deep 1Vein Thrombosis The results of a blinded study assessing the use of plasma D-dimer levels for diagnosing deep venous thrombosis (DVT) in patients hospitalized for stroke rehabilitation reported increased accuracy over the standard procedure involving ultrasound. To test the claims of this research team, an independent researcher conducted a study to determine if there was a difference in the accuracy of diagnosis for DVT between the two methods. The data in the table below summarize the ndings of this study. Presence of DVT correctly diagnosed? Diagnostic Test: Yes No Construct a 95% CI for p1 p2, where group] is the plasma D-dimer and group2 is the ultrasound group. Problem 9. Chicken Soup The overall US. prevalence rate of u during the month of February 2016 was 9%. During the same time period, the Louisiana Dept of Health conducted a survey to estimate u prevalence in Louisiana. Of the 400 survey respondents, 50 reported having the u during the month of February 2016 resulting in an observed prevalence rate (or proportion of individuals with the u) of 12.5%. Based on the results of the survey, construct a 95% CI for p, the population prevalence (proportion of population) of u in LA during February 2016