1. Suppose that we identify 130 women 50 to 54 years of age who have both a mother and a sister with a history of breast cancer. 16 of these women themselves have developed breast cancer at some time in their lives. If we assume that the proportion of breast cancer cases in women whose mothers have had breast cancer is 8%, does having a sister with the disease increase the risk? Find the p-value. |
2. At the 5% significance level, what is the conclusion of the
above hypothesis test? (B) We cannot conclude that having a sister
with the disease increases the risk (C) We cannot conclude that having a sister
with the disease increases the risk (D) We cannot conclude that having a sister
with the disease increases the risk (E) We conclude that having a sister with the disease increases
the risk (F) We conclude that having a sister with the disease increases
the risk (G) We cannot conclude that having a sister
with the disease increases the risk (H) We conclude that having a sister with the disease increases
the risk |
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