Mathematics (AS & A Level) · May / June 2018 · Paper 73 · Question 6
9709
As printed in the paper
The question as text
The times, in minutes, taken to complete the two parts of a task are normally distributed with means 4.5 and 2.3 respectively and standard deviations 1.1 and 0.7 respectively.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
6(i)[4]
6(ii)[5]
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