Choose the Confidence Level you want (90%, 95%, 99%).
  Enter the anticipated response rate percentage that you expect for this program. (%) *  
  Select the Confidence Interval (Margin of Error) % (+ or -) for this program.
  The minimum sample size required for this program is:  
  Minimum response rate given limit of  error:  
  Maximum response rate given limit of error:  
  * Enter percentages as a number, e.g. 2.5 for 2.5%, 5 for 5%, etc.