Mathematics 0580 · IGCSE · Probability of combined events

Probability of combined events — practice question

(a)[3]

Determine how many yellow counters are in the bag.

(b(i))[2]

Complete the tree diagram.

(b(ii))[2]

Calculate the probability that Mateo selects two brown counters.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: The answer is $11$ yellow counters.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI