Mathematics for IGCSE & O level - Statistical Diagrams (Section 5 - No. 25)
Which of the following elements are needed to calculate the probability in the tree diagram?
Number of blue balls
Number of white balls
Total number of balls
Number of balls removed
คำอธิบาย
All these elements are required to find the probability, based on the initial configuration in the bag, and the act of removing a ball.