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2 Statistics

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Question 169

X X\,X is Normally distributed. It is known that P(X<52)=0.2P(X<52)=0.2P(X<52)=0.2 and P(X>60)=0.3P(X>60)=0.3P(X>60)=0.3.

Find the mean and standard deviation of XXX.

[6]
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2 Statistics Questions

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

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