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Probability 2
 This topic covers harder probability problems.  You may need pencil and paper.
This topic aligns to the following state standards
Grade 9:  A.S.23   Calculate the probability  - a series of independent events
  - two mutually exclusive events
  -  two events that are not mutually exclusive
  
Grade 9:  A.S.20   Calculate the probability of an event and its complement 
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