Question: Colonoscopy, Anyone? A colonoscopy is a screening test for colon cancer, recommended as a routine test for adults over age 50. One study' provides the

 Colonoscopy, Anyone? A colonoscopy is a screening test for colon cancer,

Colonoscopy, Anyone? A colonoscopy is a screening test for colon cancer, recommended as a routine test for adults over age 50. One study' provides the best evidence yet that this test saves lives. The proportion of people with colon polyps expected to die from colon cancer is 0.01. A sample of 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 is significantly less than the expected proportion (without a colonoscopy) of 0.01? 'Zauber, et.al., "ColonoscopiesPolypectomy and Long-Term Prevention of Colorectal-Cancer Deaths," New England Journal of Medicine, 2012; 366: 687-696. 1zauber, et.al., "ColonoscopiesPolypectomy and Long-Term Prevention of Colorectal-Cancer Deaths," New England Journal of Medicine, 2012; 380: 687-85 (a) what are the null and alternative hypotheses? = > / H1 /2 P P1 0.01 p2 p @ 1 2 p p1 p2 " Ho vs Ha Type here answer (b) What is the sample proportion? Round your answer to four decimal places

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!