Probability - Probabilities of Successive Events

Probability - Probabilities of Successive Events

A box contains \(4\) red balls and \(2\) blue balls. Two balls are drawn one after another without replacement.

  1. Draw a tree diagram to show all possible outcomes. Label each branch with the correct probability.
  2. Find the probability that:
    1. both balls are red
    2. the second ball is blue
    3. the two balls are of different colours

Solution:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.

Answer:(b)(i) \(2/5\); (ii) \(1/3\); (iii) \(8/15\).

Need help? Join our E-Maths tuition for O-Level success.

Learn more