Question 10.136

24. Medicare Recipients. The Centers for Medicare and Medicaid Services reported in 2004 that 3305 of the 50,350 Medicare recipients living in Alaska were age 85 or over, and 73,289 of the 754,642 Medicare recipients living in Arizona were age 85 or over.

  1. Find a point estimate of the difference in population proportions.
  2. Clearly state the difference in meaning between and .
  3. Test whether the population proportions differ, using level of significance .