You can see my confusion is somewhat born out by hitting this link... it is labeled 500 when actually it lists the top 1000...
http://money.cnn.com/magazines/fortune/fortune500/2008/full_...
http://money.cnn.com/magazines/fortune/fortune500/2008/full_...
Question: Using an appropriate random number generation between 1 and 1000, what is the sample size required to then estimate the total job openings on the 1000 sites?