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 <mi>Φ</mi> 13 <mfenced> 14 <mrow> 15 <mi>x</mi> 16 </mrow> 17 </mfenced> 18 <mo>=</mo> 19 <msubsup> 20 <mo>∫</mo> 21 <mrow> 22 <mo>−</mo> 23 <mi>∞</mi> 24 </mrow> 25 <mi>x</mi> 26 </msubsup> 27 <mi>φ</mi> 28 <mfenced> 29 <mrow> 30 <mi>t</mi> 31 </mrow> 32 </mfenced> 33 <mi>d</mi> 34 <mi>t</mi> 35 <mspace width="1em"/> 36 <mo>=</mo> 37 <mspace width="1em"/> 38 <mfrac> 39 <mn>1</mn> 40 <mn>2</mn> 41 </mfrac> 42 <mo>[</mo> 43 <mn>1</mn> 44 <mo>+</mo> 45 <mi>e</mi> 46 <mi>r</mi> 47 <mi>f</mi> 48 <mfenced> 49 <mrow> 50 <mfrac> 51 <mi>x</mi> 52 <msqrt> 53 <mn>2</mn> 54 </msqrt> 55 </mfrac> 56 </mrow> 57 </mfenced> 58 <mo>]</mo> 59 </mrow> 60</math> 61</body> 62</html> 63