Answer Happy

A mammogram is an X-ray procedure used to check for breast cancer. Whether mammograms should be used is part of a controversial discussion, We can examine this question using a 2- proportion hypothesis test where Ho is p₁ - P2 = 0 (or equivalently, p₁ = P2). A 30-year study was conducted with nearly 90,000 female participants. During a 5-year screening period, each woman was randomized to one of two groups: in the first group, women received regular mammograms to screen for breast cancer, and in the second group, women received regular non-mammogram breast cancer exams. No intervention was made during the following 25 years of the study, and we'll consider death resulting from breast cancer over the full 30-year period. Results from the study are summarized in the table below: (a) What is the sample proportion of women that had a mammogram and died from breast cancer? (b) What is the sample proportion of women that did not have a mammogram and died from breast cancer?. O (a) p₁0.01112966 (b) p = 0.01124471 O (a) 1 0.0113 (b) 2 = 0.0114 O (a) p₁0.01125492 (b) p₁ = 0.01137259 O (a) ₁ 0.01125492 = (b) f Death From Breast Cancer? Yes No Total Mammogram 500 44,425 44,925 505 44,405 44,910 Control = 0.01137259