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Obesity is defined as a body mass index ( BMI) of 3 kg/m 2 or more. A 90% confidence interval for the percentage of U.S.

Obesity is defined as abody mass index (BMI) of 3 kg/m2or more. A 90% confidence interval for the percentage of U.S. adults aged 25 years and over who were obese was found to be 22.4 to 23.5%. What was the sample size?.

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