Mathematics 0580 · IGCSE · Probability of combined events

Probability of combined events — practice question

The spinner has five sides, and the colours are red, blue, green, yellow and orange. The table gives some of the probabilities that the spinner will land on each colour.
(a)[2]

Complete the missing table entries.

(b)[2]

Find the probability that it lands on red or blue.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Accurate probability working” …

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