estion 10 of 130/2.7 EA colonoscopy is a screening test for colon cancer, recommended as a routine test for adults over age 50. One study provides the bestevidence yet that this test saves lives. The proportion of people with colon polyps expected to die from colon cancer is 0.01. A sampleof 2602 people who had polyps removed during a colonoscopy were followed for 20 years, and 12 of them died from colon cancer.Does this provide evidence that the proportion of people who die from colon cancer after having polyps removed in a colonoscopy issignificantly less than the expected proportion (without a colonoscopy) of 0.01?1Zauber, et.al., "Colonoscopic Polypectomy and Long-Term Prevention of Colorectal-Cancer Deaths," New England Journal of Medicine,2012; 366: 687-696.X Your answer is incorrect.(a) What are the null and alternative hypotheses?Edit: Pi: P2: 0.01d ::: 11: 12: P1: P2|P2|vs Ha:Pi|Ho:P1P2Type here to searchhpV.... (b) What is the sample proportion?Round your answer to four decimal placesThe sample proportion is Pi0.5(c) The figure below shows a randomization distribution for this test. Use the fact that there are 1000 dots in the distribution tofind the p-value.0.010.0046Round your answer to three decimal places, if needed.p-value =0.01e Textbook and MediaP Type here to searchhpII

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Answered: A colonoscopy is a screening test for…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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You conducted a study to assess the effect of smoking on systolic blood pressure. The results showed that there was a significant association between the two variables, with an odds ratio of 1.5. Explain this finding to someone who has no background in epidemiologic research.
According to the American Lung association, lung cancer account for 28% of all cancer deaths in the US. A new type of screening for lung cancer, computed tomography (CT), has been developed. Medical researchers believe CT scans are scans are more sensitive than regular X-rays in pinpointing small tumors. The Cancer Center at the University of South Florida is currently conducting a clinical trial of 50,000 smokers nationwide to compare the effectiveness of CT scans with X-ray for detecting lung cancer (Today’s Tomorrows, Fall 2002). Each participating smoker is randomly assigned to one of the two screening methods, CT or chest X-ray, and his or her progress is tracked over time. The age at which the scanning method first detects a tumor is the variable of interest. A. Identify the data collection method used by the cancer researchers. B. dentify experimental units of the study. C. Identify the type of the variable measured. D. Identify the population and sample.
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