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Mathematics (AS & A Level) · May / June 2026 · Paper 65 · Question 4

9709

As printed in the paper

The question as text

b O a x f (x) The diagram shows the graph of the probability density function, ( )x f , of a random variable X. For x a 0 G G , the graph is a straight line from O to the point (a, b), where a and b are constants. Elsewhere ( )x 0 f = . a

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

Show the answer and mark scheme
  • 4(a)[5]

  • 4(b)[4]

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