Tree diagrams (AQA GCSE Statistics): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does a tree diagram represent?
What does a tree diagram represent?
All possible outcomes of events
What is the first step in a tree diagram?
What is the first step in a tree diagram?
Draw branches for outcomes
How do you find the probability of two events?
How do you find the probability of two events?
Multiply their probabilities
What must probabilities on branches add to?
What must probabilities on branches add to?
1
What is an independent event?
What is an independent event?
Events are unrelated
What is the probability of both beads being black?
What is the probability of both beads being black?
1/4
How do you find the probability of different outcomes?
How do you find the probability of different outcomes?
Add the probabilities
What should you do after drawing branches?
What should you do after drawing branches?
Label the branches
What happens if you multiply probabilities?
What happens if you multiply probabilities?
It must be less than 1
What is the addition rule used for?
What is the addition rule used for?
Finding probabilities of different outcomes