Mathematics (AS & A Level) · May / June 2026 · Paper 53 · Question 4

Ebere has a coin which is biased so that the probability of obtaining a head is 4 1. She also has two bags containing coloured discs. Bag A contains 5 red discs and 3 blue discs. Bag B contains 4 red discs and 5 green discs. Ebere tosses her coin. If she obtains a head, she chooses two discs from bag A, at random, one at a time and without replacement. If she obtains a tail, she chooses two discs from bag B, at random, one at a time and without replacement.

Read automatically from the paper; the printed page above is exact.