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2 Statistics

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Question 23

A random sample of size n n\,n is taken from a population with distribution N(25,42)N(25,4^2)N(25,42). Find the least value of n n\,n for which P(Xˉ>27.5)<0.01P(\bar X>27.5)<0.01P(Xˉ>27.5)<0.01.

[5]
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2 Statistics Questions

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

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