Obesity is defined as a body mass index (BMI) of 30 kg/m² or more. A 99% confidence interval for the percentage of U.S. adults aged 70 years and over who were obese was found to be 20.0% to 21.0%. What was the sample size? Round the intermediate calculations to four decimal places and round the final answer to the nearest whole number. Source: National Center for Health Statistics (www.cdc.gov/nchs).

MATLAB: An Introduction with Applications
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Obesity is defined as a body mass index (BMI) of 30 kg/m² or more. A 99% confidence interval
for the percentage of U.S. adults aged 70 years and over who were obese was found to be 20.0%
to 21.0%. What was the sample size? Round the intermediate calculations to four decimal places
and round the final answer to the nearest whole number.
Source: National Center for Health Statistics (www.cdc.gov/nchs).
Transcribed Image Text:Obesity is defined as a body mass index (BMI) of 30 kg/m² or more. A 99% confidence interval for the percentage of U.S. adults aged 70 years and over who were obese was found to be 20.0% to 21.0%. What was the sample size? Round the intermediate calculations to four decimal places and round the final answer to the nearest whole number. Source: National Center for Health Statistics (www.cdc.gov/nchs).
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