The population of Thousand Oaks, California on December 21st 2011 is approximately 127,034. (Extrapolated from a 2000 US census population of 117,005 and a population of 126,683 on July 21st 2011.)
Statistically speaking, studies show that a random sample of 200 people yields about the same data for ANY larger number of people, such as 5 million. Therefore, the minimum number of people surveyed...