How effective is gastric bypass surgery in maintaining weightloss in extremely obese people? A study conducted found that 71% ofan SRS of 437 subjects who had received gastric bypass surgerymaintained at least a 20% weight loss six years after surgery.
1) Give a 90% confidence interval for the proportion of thosereceiving gastric bypass surgery that maintained at least a 20%weight loss six years after surgery. (Round your answers to fourdecimal places.)
Answer: _____ to _____
2) Interpret your interval in the context of the problem. (Roundyour answers to two decimal places.)
Answer: Based on this study, we estimate with 90% confidencethat between _____ % and _____ % of all gastric bypass patientswill maintain at least a 20% weight loss for six years aftersurgery.
