The Kaiser Family Foundation conducted a national survey in 2003 of 17,685 seniors. The purpose of the survey was to capture detailed information about seniors’ prescription drug use, coverage, and experiences
a. If this were a random sample that satisfied all the requirements for an inference about p, what would be the standard error?
b. What would be the maximum error of estimate for a 95% confidence interval?
c. Is a sample this size worthwhile? Give reasons to support your answer.