Make sure I am getting one entry using Randomness

Make sure I am getting one entry using Randomness

References

Reference NO 1

http://stackoverflow.com/questions/5368490/select-random-string-from-given-list

Reference NO 2

http://www.random.org/testimonials/lotteries/

Reference NO 3

http://blog.tsa.gov/2012/07/tsa-pre-through-global-entry-one-sweet.html

Reference NO 4

http://blog.stata.com/2012/07/18/using-statas-random-number-generators-part-1/

Reference NO 5

http://www.wikihow.com/Win-Sweepstakes

Reference NO 6

http://www.learntotradethemarket.com/forex-articles/forex-trading-random-entry-and-risk-reward

Reference NO 7

http://en.wikipedia.org/wiki/Wikipedia:Wiki_Game

Reference NO 8

https://songpop.zendesk.com/entries/22650587-Bring-Back-Random-Player-Feature-Please-