Note AcademyNote Academy

Mathematics (AS & A Level) · May / June 2026 · Paper 52 · Question 2

9709

As printed in the paper

The question as text

Ling has three coins. Each coin is biased so that the probability of obtaining a head is 3 1. Ling throws all three coins at the same time. The random variable X denotes the number of heads that Ling obtains.

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

Show the answer and mark scheme
  • 2(a)[3]

  • 2(b)[2]

  • 2(c)[3]

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.