Posted by Rosa on Tuesday, February 8, 2011 at 12:49am.
Data in 1980 showed that about 48% of the adult population had never smoked cigarettes. In 2004, a national health survey interviewed a random sample of 5000 adults and found that 54% had never been smokers. Create a 95% confidence interval for the proportion of adults in 2004 who had never been smokers.
How would you solve this by hand and/or calculator?

Statistics  Anonymous, Friday, March 25, 2016 at 9:32am
anus
Answer This Question
Related Questions
 statistics  A Gallup Poll asked, "In general, how often do you experience ...
 math  Based on the data collected by the National Centre for health Statistics ...
 Applied Stats  Based on the data collected by the National Centre for health ...
 statistics  Based on data collected by the National Center for Health ...
 Intro toEpidemiology and health data anaysisl  If the mean number of cigarettes...
 Algebra  n 1966, the U.S. Surgeon General's health warnings began appearing on ...
 Biostatitics  Based on data collected by the National Center for Health ...
 statistics  A random sample of 80 youths and a second random sample of 120 ...
 math  In a population of 10,000 adults, 20% are smokers. A simple random sample...
 statistics  The National AIDS Behavioral Surveys interviewed a sample of adults...
More Related Questions