Determine how many people you need to survey in order to get results that reflect the target audience.
       
  Choose the Confidence Level you want (90%, 95%, 99%).
 
  Z (confidence level)  
  Enter the Percentage of Population
(set to default value of 50%) * 		%
  Select the Confidence Interval (Margin of Error) %
(+ or -) for this program.
 
       
  Sample Size  
       
  * Enter percentages as a number, e.g., 45 for 45%, 2 for 2%, etc.