1<?xml version='1.0'?> 2<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN' 3 'http://www.w3.org/TR/MathML2/dtd/xhtml-math11-f.dtd' 4 [<!ENTITY mathml 'http://www.w3.org/1998/Math/MathML'>]> 5<html xmlns='http://www.w3.org/1999/xhtml'> 6<head><title>normal_cdf</title> 7<!-- MathML created with MathCast Equation Editor version 0.9 --> 8</head> 9<body> 10<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> 11 <mrow> 12 <mfrac> 13 <mn>1</mn> 14 <mn>2</mn> 15 </mfrac> 16 <mo>{</mo> 17 <mn>1</mn> 18 <mo>+</mo> 19 <mi>e</mi> 20 <mi>r</mi> 21 <mi>f</mi> 22 <mfenced> 23 <mrow> 24 <mfrac> 25 <mfenced> 26 <mrow> 27 <mi>x</mi> 28 <mo>−</mo> 29 <mi>μ</mi> 30 </mrow> 31 </mfenced> 32 <msqrt> 33 <mfenced> 34 <mrow> 35 <mn>2</mn> 36 <msup> 37 <mi>σ</mi> 38 <mn>2</mn> 39 </msup> 40 </mrow> 41 </mfenced> 42 </msqrt> 43 </mfrac> 44 </mrow> 45 </mfenced> 46 <mo>]</mo> 47 </mrow> 48</math> 49</body> 50</html> 51