Mathematics (AS & A Level) · May / June 2020 · Paper 53 · Question 4
9709
As printed in the paper
The question as text
A fair four-sided spinner has edges numbered 1, 2, 2, 3. A fair three-sided spinner has edges numbered −2, −1, 1. Each spinner is spun and the number on the edge on which it comes to rest is noted. The random variable X is the sum of the two numbers that have been noted.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
4(a)[3]
4(b)[3]
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