Note AcademyNote Academy

Mathematics (AS & A Level) · Oct / Nov 2019 · Paper 72 · Question 4

9709

As printed in the paper

The question as text

A random variable X has probability density function given by fx = T 1 2x 0 ≤x ≤a, 0 otherwise, where a is a constant.

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

Show the answer and mark scheme
  • 4(i)[2]

  • 4(ii)[3]

  • 4(iii)[4]

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