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Mathematics (AS & A Level) · May / June 2019 · Paper 71 · Question 1

9709

As printed in the paper

The question as text

At an internet caf´e, the charge for using a computer is 5 cents per minute. The number of minutes for which people use a computer has mean 23 and standard deviation 8.

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme
  • 1(i)[2]

  • 1(ii)[3]

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