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Learning Objectives

  • - Define conditional probability using symbols and words.
  • - Apply the formula P(A|B) = P(A ∩ B) / P(B).
  • - Interpret and construct probability tree diagrams.
  • - Solve real-life problems involving conditional probability.

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Conditional Probability

  • Definition: The probability of event A occurring given that event B has occurred.
  • Formula: P(A|B) = P(A ∩ B) / P(B)
  • Interpretation: Consider cases where B has already happened.

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