1https://www.marthastewart.com/1512045/what-are-real-odds-finding-four-leaf-clover
2 https://www.huffpost.com/entry/chances-of-winning-powerball-lottery_b_3288129
3 https://entertainment.howstuffworks.com/slot-machine.htm#pt4
4 https://www.pga.com/story/odds-of-a-hole-in-one-albatross-condor-and-golfs-unlikely-shots
5 https://www.golfdigest.com/story/records-rarities-the-unlikely
6 https://www.cnbc.com/2020/01/08/attention-taxpayers-irs-audits-have-fallen-significantly.html
7 https://www.ssa.gov/disabilityfacts/facts.html
8 https://www.cdc.gov/nchs/products/databriefs/db80.htm