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Foundation November 2021 Unit 1 Q6

WJECFoundationCurrent spec2 marksBasic Probability

6. Meic has a bag of 20 coloured balls.
14 of the balls are yellow, 4 are blue and the rest are red.
Meic chooses a ball at random from his bag.

On the probability scale below, mark the points A and B where:

  • A is the probability of Meic choosing a yellow ball,
  • B is the probability of Meic choosing a green ball. [2]
A probability scale from 0 to 1 with a mark at the halfway point