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Question 207

Completion time T T\,T minutes for a test is modelled by T∼N(58,122)T\sim N(58,12^2)T∼N(58,122).

Find the time by which 90% of students complete the test. Give your answer to the nearest minute.

[2]
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2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

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