Tree diagrams (OCR GCSE Maths): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
When should you use a tree diagram in probability?
When should you use a tree diagram in probability?
For more than one event
What do you do with probabilities when moving across branches in a tree diagram?
What do you do with probabilities when moving across branches in a tree diagram?
Multiply them
When do you add probabilities in a tree diagram?
When do you add probabilities in a tree diagram?
When an outcome can occur via multiple paths
In Example 1, with 5 red and 7 blue cubes, what is on the first pick?
In Example 1, with 5 red and 7 blue cubes, what is on the first pick?
What is when drawing two cubes with replacement from Example 1?
What is when drawing two cubes with replacement from Example 1?
What happens to probabilities when drawing with replacement?
What happens to probabilities when drawing with replacement?
They stay the same
What is in Example 2?
What is in Example 2?
0.195
In Example 3, after picking a red bead first, how many beads remain in total?
In Example 3, after picking a red bead first, how many beads remain in total?
11
What is when drawing two beads without replacement in Example 3?
What is when drawing two beads without replacement in Example 3?
In Example 4, what is the probability of going to the gym on just one day?
In Example 4, what is the probability of going to the gym on just one day?
0.48