Question 10.142

30. Fetal Cells and Breast Cancer. Refer to Exercise 26 to answer the following questions:

  1. Construct and interpret a 99% confidence interval for the difference in population proportions.
  2. Use the confidence interval from (a) to test, using level of significance , whether the population proportions differ.
  3. Explain whether or not we could use the confidence interval from (b) to perform the hypothesis test in Exercise 26. Why or why not?