Sometimes you don't need to list all of the items in a sample space.  When we are finding probabilities, the denominator is the total # of outcomes; we can find this without listing out every single item in the sample space!

Things you should be able to do after today:

  • find the number of outcomes from a series of independent events using multiplication
  • determine when you can use multiplication to determine the number of outcomes


  • Notes


  • p423 #4-10
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