Mathematics, 22.05.2021 03:50 LuxTheGirl3070
1. A group of doctors published an article in the New England Journal of Medicine. In the article they revealed the findings of a study to determine if there is a difference in survival rates for men who undergo surgery for localized prostate cancer and those who are treated with observation only. The researchers randomly assigned 731 men with localized prostate cancer to radical prostatectomy or observation. During the years of follow-up, 245 of 367 (66.8%) assigned to surgery survived for at least 5 years and 223 of 364 men (61.3%) assigned to observation survived for at least 5 years. Construct and interpret a 95% confidence interval for the difference in the true proportion of men like these that would survive for at least 5 years after receiving surgery and the proportion that would survive for at least 5 years when only being observed. Include all 4 steps of the inference procedure.
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Complete the equation of the line through (β10,3) and (β8,β8). use exact numbers.
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Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.
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In the geometric progression β3, 12, β48β¦ what term is 3,072?
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What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180Β° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality
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1. A group of doctors published an article in the New England Journal of Medicine. In the article th...
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