Frequency and outcomes (Edexcel GCSE Maths): Flashcards
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Practise the cards
10 cards from this deck
Frequency trees
Frequency trees
Visual diagrams showing frequencies for each possible result
Golden rule for frequency trees
Golden rule for frequency trees
Each frequency equals the sum of its branches
Sample space diagram
Sample space diagram
Displays all possible results when two events happen together
Purpose of sample space diagrams
Purpose of sample space diagrams
Show combined outcomes & ensure no results are missed
First step completing a frequency tree
First step completing a frequency tree
Start with the information you know
How to check frequency tree calculations
How to check frequency tree calculations
Use the golden rule at each junction
First step creating sample space diagram
First step creating sample space diagram
List outcomes of first event along one axis
When sample space diagrams are most powerful
When sample space diagrams are most powerful
When dealing with independent events
Complementary probability formula
Complementary probability formula
Key exam strategy for probability
Key exam strategy for probability
Show your working clearly