Tree Diagrams (Leaving Cert Mathematics): Flashcards
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11 cards from this deck
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Practise the cards
11 cards from this deck
What is a tree diagram?
What is a tree diagram?
A visual tool that shows all possible outcomes when two or more events occur in sequence
The multiplication rule for tree diagrams
The multiplication rule for tree diagrams
Multiply probabilities along each path/branch
When to multiply probabilities in tree diagrams
When to multiply probabilities in tree diagrams
For 'and' situations (along branches/paths)
When to add probabilities in tree diagrams
When to add probabilities in tree diagrams
For 'or' situations (across different branches)
Formula:
Formula:
Sum of all final probabilities must equal
Sum of all final probabilities must equal
What to write on each branch of a tree diagram
What to write on each branch of a tree diagram
The probability of that outcome
Most common tree diagram mistake
Most common tree diagram mistake
Adding probabilities along branches instead of multiplying
First step in constructing a tree diagram
First step in constructing a tree diagram
Draw branches from a starting point for the first event's possible outcomes
How to calculate final probability along a path
How to calculate final probability along a path
Multiply all probabilities along that complete path
What are compound events in tree diagrams?
What are compound events in tree diagrams?
Events involving two or more sequential activities
