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Mathematics (AS & A Level) · Feb / March 2016 · Paper 62 · Question 7

9709

As printed in the paper

The question as text

The times taken by a garage to fit a tow bar onto a car have a normal distribution with mean m hours and standard deviation 0.35 hours. It is found that 95% of times taken are longer than 0.9 hours.

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

Show the answer and mark scheme
  • 7(i)[3]

  • 7(ii)[5]

  • 7(iii)[3]

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