1/16/2003

• Analysis of Data on Information Card (p:\data\math\qr\Large and Small.MTW)
• Producing Data
• Census - U.S. Population
• Sample
• Survey - "Republicans dominate online polls," The Columbus Dispatch, January 6, 2003
• Observational Study - "More kids being medicated, study finds," The Columbus Dispatch, January 14, 2003
• Experiment
  
• Multiplication Principle
  
• Counting Methods
• Permutations - the number of ways to arrange x items from n distinct items (order matters)
• Combinations - the number of ways to select x items from n distinct items (order does not matter)
• Practice Problems
• Ohio license plates contain 3 letters followed by 4 digits.  How many license plates are possible?
• How many phone numbers can be created for a specific area code?
• Birthday problem - What is the chance that two students in this room have the same birthday?
• Chuck-a-luck - You pick a number from 1 to 6 and your friend rolls three dice.  If the number you pick comes up on all three dice you win $3.  If your number comes up on two of the dice you win $2.  If your number comes up on 1 of the dice you win $1.  If your number does not appear on any of the dice, you pay your friend $1.  Should you play this game?  That is, how much would you expect to win per play of this game?