A population census takes count of 50,000 individuals, 15,000 of whom are blue collar workers. A simple random draw of 400 people is taken. Find the SE for the number of workers in the sample who are blue collar workers:
Carlos Rodriguez <carlos@math.albany.edu>
This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
Last modified: Wed May 13 12:29:11 EDT 1998