1. October 10, 2008
view photostream Uploaded on October 25, 2006
by Ramzi.
http://flickr.com/photos/ramzidreessen/279472308/sizes/o/

2. October 10, 2008
What is Probability?

3. October 10, 2008

4. October 10, 2008

5. October 10, 2008

6. October 10, 2008

7. October 10, 2008
What about a coin flip?

8. October 10, 2008

9. October 10, 2008

10. October 10, 2008

11. October 10, 2008

12. October 10, 2008

13. October 10, 2008

14. October 10, 2008
Uploaded on September 3, 2007
by Mundoo
http://flickr.com/photos/mundoo/1315549336/sizes/o/

15. October 10, 2008

16. October 10, 2008
What about dice and probability?
When we use a die for a game, we want the die to be fair. What does it mean?
Suppose two players use a six-sided die that has the sides numbered 1,1,2,2,3 and 4. There are four numbers that
can come up (1, 2, 3, and 4). Is the game fair if the first player wins when 1 or 2 shows, and the second player
wins if 3 or 4 shows?
Even though each player has two winning numbers, these numbers are not equally likely! Can you come up with
more examples of games where numbers are or aren't equally likely to be chosen?

17. October 10, 2008
Fair or unfair

18. October 10, 2008
http://flickr.com/photos/simonella_virus/142268511/sizes/o/
view photostream Uploaded on May 7, 2006
by simonella_virus
view photostream Uploaded on May 7, 2006
by simonella_virus
http://flickr.com/photos/simonella_virus/142268511/sizes/o/

19. October 10, 2008

20. October 10, 2008

21. October 10, 2008

22. October 10, 2008

23. October 10, 2008

24. October 10, 2008
How to use Probability Trees

25. October 10, 2008

26. October 10, 2008

27. October 10, 2008

28. October 10, 2008

29. October 10, 2008