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Tree Diagrams (predict outcomes of combined events (dependent, independent…
Tree Diagrams
predict outcomes of combined events
dependent
independent
AND = multiply
OR = add
how many outcomes are there when 2 coins are flipped? 3 coins?
other ways to list outcomes
systematically
two-way table
advantage of tree diagrams: can include more than 2 events
theoretical vs. experimental probability
experimental tends towards theoretical as sample size increases
perform experiments e.g. rolling a dice, flipping a coin
notation
representing probabilities
fractions
percentages
decimals
P(A) is probability of event A
prior knowledge
converting between FDP
adding/multiplying FDP