Mathematics (AS & A Level) · Oct / Nov 2018 · Paper 62 · Question 6
9709
As printed in the paper
The question as text
A fair red spinner has 4 sides, numbered 1, 2, 3, 4. A fair blue spinner has 3 sides, numbered 1, 2, 3. When a spinner is spun, the score is the number on the side on which it lands. The spinners are spun at the same time. The random variable X denotes the score on the red spinner minus the score on the blue spinner.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
6(i)[3]
6(ii)[3]
6(iii)[3]
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