Tree Diagrams (AQA GCSE Maths): Flashcards
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Practise the cards
10 cards from this deck
What do tree diagrams calculate?
What do tree diagrams calculate?
Probabilities for combinations of events
Addition rule at branch points
Addition rule at branch points
Probabilities on branches at a point add to 1
Multiplication rule along branches
Multiplication rule along branches
Multiply probabilities along branches for end probability
Verification rule for end probabilities
Verification rule for end probabilities
All end probabilities must sum to 1
Addition rule for final answers
Addition rule for final answers
Add up the relevant end probabilities
Effect of replacement on draws
Effect of replacement on draws
Draws are independent, probabilities stay the same
Strategy for 'at least' questions
Strategy for 'at least' questions
Calculate 1 minus probability of 'none' or 'less than'
Complement of 'at least one'
Complement of 'at least one'
None
How to find probability of specific sequence
How to find probability of specific sequence
Multiply probabilities along the branches
Adding mutually exclusive event probabilities
Adding mutually exclusive event probabilities
Add their individual probabilities together