Learn/ A Level Mathematics/ Past Papers/ 2020/ May/June 2020 /Paper 6 (Variant 2)

Probability & Statistics 2 — Variant 2

A Level Mathematics · 9709/62 · May/June 2020

Questions

1 of 6 questions shown here, checked against the paper. The others are in the PDF above — they contain diagrams or maths we could not yet verify, and we would rather show you the original than a transcription we are not sure of.

6

A random variable

X

has probability density function given by

\mathrm{f}(x) = \begin{cases} \frac{k}{x^{2}} & 1 \leqslant x \leqslant a, \\ 0 & \text{otherwise}, \end{cases}

where

k

and

a

are positive constants.

6(a) [3]

Probability & Statistics 2 — Variant 2

Question Paper

Mark Scheme

Questions