Question

Gastric bypass surgery. How effective is gastric bypass surgery in maintaining weight loss in extremely obese...

Gastric bypass surgery. How effective is gastric bypass surgery in maintaining weight loss in extremely obese people? A Utah-based study conducted between 2000 and 2011 found that 76% of 418 subjects who had received gastric bypass surgery maintained at least a 20% weight loss six years after surgery.22

(a)Are the conditions for the use of the large-sample confidence interval met?Explain.

(b)Give a 90% confidence interval for the proportion of those receiving gastric bypass surgery that maintained at least a 20% weight loss six years after surgery.

(c)Interpret your interval in the context of the problem.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

(c) We are 90% confident that the proportion of those receiving gastric bypass surgery that maintained at least a 20% weight loss six years after surgery lies between 0.7256 and 0.7944.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
How effective is gastric bypass surgery in maintaining weight loss in extremely obese people? A Utah-based...
How effective is gastric bypass surgery in maintaining weight loss in extremely obese people? A Utah-based study conducted between 2000 and 2011 found that 76% of 418 subjects who had received gastric bypass surgery maintained at least a 20% weight loss six years after surgery. Give a 90% confidence interval for the proportion of those receiving gastric bypass surgery that maintained at least a 20% weight loss six years after surgery. Interpret your interval in the context of the problem.
Are low-fat diets or low-carb diets more effective for weight loss? A sample of 70 subjects...
Are low-fat diets or low-carb diets more effective for weight loss? A sample of 70 subjects went on a low-carbohydrate diet for six months. At the end of that time, the sample mean weight loss was 10.5 pounds with a sample standard deviation of 7.09 pounds. A second sample of 76 subjects went on a low-fat diet. Their sample mean weight loss was 18.0 with a standard deviation of 7.26. Can you conclude that their was no difference in the...
Objective: The student will apply course objectives through evaluating patient assessments, identifying treatment options and developing...
Objective: The student will apply course objectives through evaluating patient assessments, identifying treatment options and developing teaching plans for patients with obesity, peptic ulcer disease (PUD) and gastroesophageal reflux disease (GERD). Part I: Obesity & Bariatric Surgery A 32-year-old obese patient has come to the bariatric outpatient center to have an initial evaluation. The patient reports that they were always overweight, even as a child. The patient states that they are frustrated because they gained 100 pounds over the last...
What tools could AA leaders have used to increase their awareness of internal and external issues?...
What tools could AA leaders have used to increase their awareness of internal and external issues? ???ALASKA AIRLINES: NAVIGATING CHANGE In the autumn of 2007, Alaska Airlines executives adjourned at the end of a long and stressful day in the midst of a multi-day strategic planning session. Most headed outside to relax, unwind and enjoy a bonfire on the shore of Semiahmoo Spit, outside the meeting venue in Blaine, a seaport town in northwest Washington state. Meanwhile, several members of...
________ client-centered therapy centers on the patient's goals and ways of solving problems. Select one: a....
________ client-centered therapy centers on the patient's goals and ways of solving problems. Select one: a. Rogers' b. Freud's c. Beck d. Ellis Question 2 Not yet answered Points out of 1.00 Flag question Question text A frequently prescribed drug therapy for managing one's depression is ____________. Select one: a. Adderall b. Lithium c. Prozac d. Thorazine Question 3 Not yet answered Points out of 1.00 Flag question Question text A major goal of modern inpatient psychiatric treatment is: Select...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT