Public health researchers conducted a study to examine obesity in residents of Middlesex county, NJ. They obtained a random sample of male and female residents and measured their body mass index (BMI). Given below are histogram of men and women in this study.
BODY MASS INDEX in WOMEN
FREQUENCY
15 20 25 30 35 40
BODY MASS INDEX in MEN
FREQUENCY
10 15 20 25 30 35 40
What is the prevalence of obesity in women? NOTE: Do not multiply by 100. Round your answer to three decimals.
Calculate a 95% confidence interval for the prevalence of obesity in the population of women in Middlesex county. If the 95% CI should not be calculated, enter "N/a" as the lower and upper bounds --> The 95% Confidence Interval is: (