Unanswered probability questions
1) http://web2.0calc.com/questions/a-we-have-three-standard-6-sided-dice-colored-red-yellow-and-green-in-how-many-ways-can-we-roll-them-to-get-a-sum-of-9-the-dice-are-c
2) http://web2.0calc.com/questions/1-nbsp-4-students-are-running-for-club-president-in-a-club-with-50-members-how-many-different-vote-counts-are-possible-if-all-50-members
3) http://web2.0calc.com/questions/please-help_84
4) http://web2.0calc.com/questions/slot-game