Mathematics (AS & A Level) · May / June 2023 · Paper 51 · Question 4
9709
As printed in the paper
The question as text
A mathematical puzzle is given to a large number of students. The times taken to complete the puzzle are normally distributed with mean 14.6 minutes and standard deviation 5.2 minutes.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
4(a)[4]
4(b)[5]
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