
Conditional probability in a tree diagram
Quiz by Oak National Academy: GCSE Maths Foundation (2)
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6 questions
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- Q1Two events A and B are independent. This means that...Users sort answers between categoriesSorting30s
- Q2Sofia has to catch a bus and then a train to get to school. When the bus is late, Sofia is more likely to miss the train and so be late for school. Match each value to its probability.Users link answersLinking30s
- Q3Sofia has to catch a bus and then a train to get to school. When the bus is late, Sofia is more likely to miss the train and so be late for school. P(Sofia is late for school) = ______.Users enter free textType an Answer30s
- Q4Here is a general probability tree. Which of these probabilities give the probability of the highlighted events?Users sort answers between categoriesSorting30s
- Q5One marble is taken at random from a bag of 7 purple and 5 green marbles. The marble is not replaced. A second marble is then taken. The tree diagram shows these two events. Find the value of .30s
- Q6One marble is taken at random from a bag of purple and green marbles. The marble is not replaced. A second marble is then taken. The tree diagram shows the two events. Find P(both marbles are green).30s