Tree Diagrams (Edexcel GCSE Maths): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
At any branching point, what must all probability values add up to?
At any branching point, what must all probability values add up to?
How do you find the probability of a specific sequence of outcomes?
How do you find the probability of a specific sequence of outcomes?
Multiply along the branches
What must all end probabilities add up to when you've completed your tree diagram?
What must all end probabilities add up to when you've completed your tree diagram?
How do you answer questions about combined outcomes in tree diagrams?
How do you answer questions about combined outcomes in tree diagrams?
Add relevant end probabilities
When sampling with replacement, what happens to probabilities for subsequent selections?
When sampling with replacement, what happens to probabilities for subsequent selections?
They remain the same
In replacement scenarios, each selection is what with respect to previous selections?
In replacement scenarios, each selection is what with respect to previous selections?
Independent
When sampling without replacement, what type of probabilities are created?
When sampling without replacement, what type of probabilities are created?
Conditional probabilities
After drawing a red disc first (from 5 red, 3 green), what is without replacement?
After drawing a red disc first (from 5 red, 3 green), what is without replacement?
What equals the probability of 'at least one'?
What equals the probability of 'at least one'?
What is the fundamental rule for calculating probabilities with tree diagrams?
What is the fundamental rule for calculating probabilities with tree diagrams?
Multiply along, add across