95% (a) Construct a confidence interval for the difference

Last updated: 7/8/2022

95% (a) Construct a confidence interval for the difference in the proportions of patients needing pain medication between the old and new procedures. Let P₁ denote the proportion of patients who had the old procedure needing pain medication. Use tables to find the critical value and round the answer to at least three decimal places. A 95% confidence interval for the difference in the proportions of patients needing pain medication between the old and new procedures is 0.053<P1 P2 0.346 X