I cant help you with tree diagrams here.
http://www.youtube.com/watch?v=kLy8Sa313Jc&feature=related
A STORE SELLS A GRAB BAG OF THREE TRAVEL SIZE GAMES. A BAG CONTAINS ONE OF THE FOLLOWING BOOKS:A BOOK OF CROSSWORD PUZZLES, A BOOK OF WORD SEARCHES, OR A BOOK OF WORD SCRAMBLES. THE BAG ALSO CONTAINS A CHECKERS GAME OR A CHESS GAME AND ONE OF THE FOLLOWING GAMES: A TILE GAME, A BOARD GAME, OR A DRAWING GAME. USE A TREE DIAGRAM TO FIND THE PROBABILITY OF THE EVENT.
QUESTION? A BAG WILL CONTAIN THE WORD SCRAMBLE BOOK.
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