Obesity is generally defined as 30 or more pounds over a healthy weight. A recent study of

Question:

Obesity is generally defined as 30 or more pounds over a healthy weight. A recent study of obesity reports 27.5% of a random sample of 400 adults in the United States to be obese.

a. Use this sample information to compute a 90% confidence interval of the adult obesity rate in the United States.

b. Is it reasonable to conclude with 90% confidence that the adult obesity rate in the United States is not 30%? P-69

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