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2 Statistics

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Question 205

A random variable X X\,X has distribution N(40,62)N(40,6^2)N(40,62).

a.

State the line of symmetry of its probability density curve.

[1]
b.

State the xxx-coordinates of the two points of inflection.

[1]
c.

State the total area under the curve.

[1]
Markscheme

2 Statistics Questions

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

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