stat111 links
- http://library.thinkquest.org/C006087/english/realapps.shtml#casino
- http://www.cut-the-knot.org/Probability/TwoColorBalls.shtml
- http://www.cut-the-knot.org/Probability/TwoColorBalls.shtml#solution
- http://www.cut-the-knot.org/do_you_know/Perm.shtml
- http://www.cut-the-knot.org/Probability/SeekAndFind.shtml
- http://www.cut-the-knot.org/Probability/SeekAndFind.shtml#solution
- http://www.cut-the-knot.org/do_you_know/PermGroup.shtml
- http://www.cut-the-knot.org/do_you_know/AllPerm.shtml
- http://library.thinkquest.org/C006087/english/basic.shtml
- http://www.cut-the-knot.org/cgi-bin/search/search.pl