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Vertical banded gastroplasty is a surgical procedure that reduces the volume of the stomach in order...

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Statistics

Vertical banded gastroplasty is a surgical procedure thatreduces the volume of the stomach in order to produce weight loss.In a recent study, 82 patients with Type 2 diabetes underwent thisprocedure, and 59 of them experienced a recovery from diabetes.Does this study provide convincing evidence that more than 60% ofthose with diabetes who undergo this surgery will recover fromdiabetes? Use the α = 0.05 level of significance.

(SHOW WORK PLEASE FOR ME TO UNDERSTAND THE STEPS)

1. Compute the following

p-hat, Standard error, Critical Z, and Test Z.

2. Do you reject or fail to reject the null hypothesis. Explainwhy. Use the α = 0.05 level of significance.

3. State the null and alternative hypotheses and what type ofTEST?

4. Compute the P-value?

Answer & Explanation Solved by verified expert
4.3 Ratings (929 Votes)
solutionsample size N 82number of patient who recover X59estimated proportion p 060step by step solutionthe null and    See Answer
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