Obesity is defined as a body mass index (BMI) of 30kg/m2 or more. A 95% confidence intervalfor the percentage of U.S. adults aged 20 years and over who were obese was found to be 22.4 to 23.5%. What was the sample size?
A 95% confidence interval for the percentage of U.S. adults aged 20 years and over who were …
The solution provides detailed explanation how to find out the sample size based on confidence interval and margin of error.