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Probability Tree Diagrams

🎬 Video Tutorial

  • (0:01) Probability Tree Diagrams: Visually map out all possible outcomes and probabilities in a sequential random experiment, like drawing balls from a bag without replacement.
  • (0:41) Probability Calculation: For each draw, adjust the probabilities based on prior outcomes.
  • (1:00) Calculating Compound Probabilities: Multiply probabilities along each branch to find the likelihood of specific outcomes.
  • (1:50) Verifying Total Probability: The sum of probabilities for all possible outcomes should equal 1.
  • (2:42) Probability of Specific Events: To find probabilities for specific events, like drawing at least one blue ball, add up relevant outcomes or use complementary probability.

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