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William_Gosset

  • 2 years ago

The normal probability function is usually depicted: Y = { 1/[ σ * sqrt(2π) ] } * e-(x - μ)2/2σ2 Is there an algebraic expression for the distribution function (algebraic anti-derivative) for the above equation or does one have to always have a numeric (use of tables) solution?

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  1. oldrin.bataku
    • 2 years ago
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    there is no cumulative distribution function expressible in terms of elementary functions, unfortunately. http://en.wikipedia.org/wiki/Error_function

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