Mathematics for IGCSE & O level - Probability (Section 4 - No. 34)
Which of the following statement(s) is/are correct regarding a probability tree diagram?
The probabilities on each pair of branches add up to 1.
It is useful for independent events.
It can show the outcomes and probabilities of two or more events.
The probabilities on each branch always add up to 0.
Paliwanag
Each set of branches should sum up to 1 and tree diagrams are appropriate for multiple events