<html xmlns="http://www.w3.org/1999/xhtml"><head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <meta name="viewport" content="width=device-width, height=device-height, initial-scale=0.5, minimum-scale=0.5, user-scalable=yes, maximum-scale=2.0, target-densitydpi=device-dpi" />
				<meta name="robots" content="all"/>
        <meta name="description" content="description">
        <meta name="keywords" content="">
        <title>Page 92 - maths_g10p1</title>
<style type="text/css">
<!--
body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
}
  
#container {margin:50px auto;padding:0px;width:910px;}
#left-button{ width:90px; height:100%;float:left }
#middle{ width:730px; margin:0px; float: left;}
#right-button{ width:90px; float:left;}
html, body, div, ul, li, dl, dt, dd, h1, h2, h3, h4, h5, h6, form, input, dd,select, button, textarea, iframe, table, th, td { margin: 0; padding: 0; }
img { border: 0 none; displayblock}
span,ul,li,image{ padding:0px; margin:0px; list-style:none;}
#top-title{ width:714px; margin-bottom:10px; float:left; padding:0px 8px}
#top-title2{ width:320px;  float:right;}
#content{ width: 730px; float:left;float:left;word-wrap: break-word;}
#content-top{ width:730px; background-image:url(images/top_bg.jpg); height:56px; background-repeat:no-repeat; float:left;}
#content-top1{ width:70%; padding:16px 0px 0px 30px; font-family:Arial, Helvetica, sans-serif; font-size:24px; color:#636363;float:left;}
#content-top2{ width:60px; float:right; padding:25px 30px 0px 0px;font-family:Arial, Helvetica, sans-serif; font-size:11px; color:#2f2f2f; font-weight:bold; text-align:right}
#content-middle{ width:730px; background-image:url(images/middle_bg.jpg); background-repeat:repeat-y;float:left;}
#content-middle1{ width:475px; padding:25px 0px 25px 35px; font-family:Arial, Helvetica, sans-serif; font-size:12px; color:#636363; line-height:150%;float:left;}
#content-middle2{  padding:7px; float:right; margin:25px 35px 0px 0px; border:solid 1px #c8c8c9; background-color:#FFF; text-align:center}
#content-bottom{ width:730px; background-image:url(images/bottom_bg.jpg); background-repeat:no-repeat; height:58px;float:left;}
#content-bottom2{ width:110px; height:42px; margin:0px auto; padding-top:4px;}
#input{ width:58px; height:20px; background-color:#FFF; border:solid 1px #dfdfe0; color:#636363; text-align:center; font-size:11px;}
.font1{ font-family:Arial, Helvetica, sans-serif; font-size:10px; color:#2f2f2f;}
.font1 a:link{
	text-decoration: none;
    color:#2f2f2f;

}
.font1 a:visited{
	text-decoration: none;
    color:#2f2f2f;
	
}
.font1 a:hover{
	color: #2f2f2f;
	text-decoration: underline;

}



.text-container {
padding: 20px;
color: #333;
margin-top: 24px;
line-height: 22px;
border-top-left-radius: 3px;
border-top-right-radius: 3px;
}

.use-as-video {
float: right;
padding-left: 20px;
}
.cc-float-fix:before, .cc-float-fix:after {
content: "";
line-height: 0;
height: 0;
width: 0;
display: block;
visibility: hidden;
}
.use-as-video-img {
cursor: pointer;
position: relative;
width: 320px;
height: 180px;
}
.use-as-video-title {
font-size: 15px;
font-weight: bold;
color: #000000;
padding-bottom: 5px;
}
-->
</style>
<script type="text/javascript">
<!--
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->
</script>
</head>

<body onload="MM_preloadImages('images/next2.png','images/previous2.png')">
<div id="container">
<div id="left-button">
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p><a href="page91.html"><img src="images/previous_big.png" width="90" height="80" /></a></p>
</div>
<div id="middle">
  <div id="top-title"><span class="font1">Basic HTML Version</span>
    <div id="top-title2">
      <table width="100%" border="0" align="right" cellpadding="0" cellspacing="0">
        <tr>
        	<td width="66%"> </td>
          <td width="35%" style="display:none" align="right"><img src="images/content.png" width="19" height="16" /></td>
          <td width="31%" style="display:none" class="font1"><a href="">Table of Contents</a></td>
          <td width="6%"><img src="images/view.png" width="19" height="16" /></td>
          <td width="28%" class="font1"><a href="../../index.html#p=92">View Full Version</a></td>
        </tr>
      </table>
    </div>
  </div>
  <div id="content">
     <div id="content-top">
        <div id="content-top1">Page 92 - maths_g10p1</div>
        <div id="content-top2">P. 92</div>
     </div>
     <div id="content-middle">
     	
     	  <div class="text-container">
    <div class="use-as-video cc-float-fix">
      <a style="text-decoration: none;" href="../../index.html#p=92"><img src="../thumb/92.jpg" /></a>
    </div>

    <p class="use-as-video-title"></p>
    <pre style="white-space:pre-line"><code>Normal distribution Â»Â©Â«Ã‘Â£dG â„¢jRÆ’Ã dG

Â¿hO kÃ‰Â«Â©Â«Ã‘W Ï€Â°Ã¼Ã«j Â¬fÆ’Î¼d Â¬Ã Â«ÂªgCG Ã¸ÂªÎ¼Jh Ã¤Ã‰fÃ‰Â«Ã‘dG â„¢jRÆ’Ã d Ã¡eÃ‰gh Ã¡Â°UÃ‰N Ã¡dÃ‰M Â»Â©Â«Ã‘Â£dG â‰ˆÃ¦Ã«Ã¦ÂªdG ÃˆÃ Â©j
                                                                     .Â»LQÃ‰N Ï€NÃ³J

Ï€Ã£ÂªJ Ã¡Ã¦Â«Y âˆ«GÆ’WCG , Ã¡Â°SQÃ³e ÃœÃ“W Ã¤Ã‰LQO Ï€Ã£e Ã¡Â«FGÆ’Â°Ã»Y Ã¤Ã‰Ã¦Â«Y Ã¸e Ã‰Â¡Â©ÂªL ÂºÃ j Â»Ã dG Ã¤Ã‰fÃ‰Â«Ã‘dÃ‰a
â‰ˆÃ¦Ã«Ã¦ÂªdG Ã¸e Gk Ã³L Ã¡Ã‘jÃ´b Â¿Æ’Î¼J Ã‰Â¡fÃ‰E a Ã‰k Â«fÃ‰Â«H Ã¢âˆÃ£e Ã‰e GPGE , Ã‰e Ã¡Ã¦jÃ³e Â»a â€¦Ã´Â°SoCâ€™G Â¥Ã‰Ã˜fâ€™E G , Ã‰e â„¢ÂªÃ Ã©e

                  Ï€Î¼Â°Ã»dG Ã´Â¶fG . Â¢SÃ´Ã©dG Â¬Ã‘Â°Ã»j Â¬âˆÎ¼Â°Th âˆ«Ã³Ã Â©ÂªdG â‰ˆÃ¦Ã«Ã¦ÂªdÃ‰H â‰ˆÂªÂ°Ã¹j Ã‰e hCG Â»Â©Â«Ã‘Â£dG
                                                    :Â»âˆj Ã‰ÂªY Ã–LCGh Ï€Î¼Â°Ã»dG â‰ˆâˆY Ã³ÂªÃ YG
                                                    ?Ï€Î¼Â°Ã»âˆd Ï€KÃ‰ÂªJ QÆ’Ã«e Ã³LÆ’j Ï€g (

                               â‰ˆdG Ã‰gOÃ³Y â€¦hÃ‰Â°Ã¹j QÆ’Ã«ÂªdG Ã¸Â«Âªj Â¤GE Ã¤Ã‰fÃ‰Â«Ã‘dG OÃ³Y Ï€g (Ãœ
                                                                   ? QÆ’Ã«ÂªdG QÃ‰Â°Ã¹j

                               Ï€Ã£Âªd âˆ«GÆ’Ã¦ÂªdGh , Â§Â«Â°SÆ’dGh , Â§Â°SÆ’dG Ã¸e Ï€c Ã¸Â«H Ã¡bÃ“Â©dG Ã‰e (`L
                                                                     ?â„¢jRÆ’Ã dG GÃ²g

                               Ã¸Î¼Âªjh Ã‰k WÆ’Â¨Â°â€ e Â»Â©Â«Ã‘Â£dG â‰ˆÃ¦Ã«Ã¦ÂªdG Ï€Î¼Â°T Â¿Æ’Î¼j Â¿CG Ã¸Î¼Âªj
                               GPÃ‰E a Ã¤Ã‰fÃ‰Â«Ã‘dG Ã¢Ã Â°Ã»J iÃ³e â‰ˆâˆY GÃ²g Ã³ÂªÃ Â©jh Ã‰k Â©Â°Ã¹Ã e Â¿Æ’Î¼j Â¿CG
      Ãœ
                               Ã¡Â©Â°Ã¹Ã e Ã¢fÃ‰c kGÃ´Â«Ã‘c â€¦QÃ‰Â«Â©ÂªdG Ã‰Â¡aGÃ´Ã«fGE Â¿CG â€¦CG kGÃ´Â«Ã‘c Ã‰Â¡Ã Ã Â°Ã»J Â¿Ã‰c

                                                    .Ã¡WÆ’Â¨Â°â€ e Â»Â¡a âˆ‚dP Ã´Â«Z Ã¢fÃ‰c Â¿GE h
                                     .Â¬Â«âˆJ Â»Ã dG Ã¡âˆÃ„Â°SCâ€™G Ã¸Y Ã–LCGh Ï€HÃ‰â‰¤ÂªdG Ï€Î¼Â°Ã»dG â‰ˆdEG Ã´Â¶fG

                                        ?Ï€KÃ‰ÂªÃ dG QÆ’Ã«e Â¢Ã¹Ã˜f Ã‰ÂªÂ¡d Ãœ, Â¿Ã‰Â©jRÆ’Ã dG Ï€g (
                                                , Â§Â«Â°SÆ’dGh , Â§Â°SÆ’Ã ÂªdG Ã¸Â«H Ã¡bÃ“Â©dG Ã‰e (Ãœ

                                         ( ?Ã¸Â«Ã¦Ã«Ã¦ÂªdG Ã¸e Ï€c Â»a âˆ«GÆ’Ã¦ÂªdGh
                 (Ãœ â‰ˆÃ¦Ã«Ã¦ÂªdG Â»a â€¦QÃ‰Â«Â©ÂªdG Â±GÃ´Ã«fâ€™G Ï€g (`L

                                                Â»a â€¦QÃ‰Â«Â©ÂªdG Â±GÃ´Ã«fâ€™G â€¦hÃ‰Â°Ã¹j âˆ«hCâ€™G
            22 30 ? GPÃ‰Å¸h ?ÃŠÃ‰Ã£dG â‰ˆÃ¦Ã«Ã¦Å¸G

                                                                    1 Ã–jQÃ³J

                                                :Â»âˆj Ã‰ÂªY Ã–LCG Ã¸Â«âˆÎ¼Â°Ã»dG Ã¸e Ï€c Â»a
                                                   .âˆ«GÆ’Ã¦ÂªdGh Â§Â«Â°SÆ’dGh Â§Â°SÆ’dG Ã–Ã cG (

                                                ?ÃˆcCG â€¦QÃ‰Â«Â©ÂªdG Â¬aGÃ´Ã«fG Ã¸Â«âˆÎ¼Â°Ã»dG â€¦CG (Ãœ

                                          91</code></pre>
     	</div>
    
     </div>
     <div id="content-bottom">
       <div id="content-bottom2">
         <table width="110" border="0" cellspacing="0" cellpadding="0">
           <tr>
             <td width="22%" height="44"><a href="page91.html"><img src="images/previous.png" width="26" height="19" id="Image2" onmouseover="MM_swapImage('Image2','','images/previous2.png',1)" onmouseout="MM_swapImgRestore()" /></a></td>
             <td width="43%">
             	&nbsp;&nbsp;&nbsp;<a href="page87.html">87</a>&nbsp;&nbsp;&nbsp;<a href="page88.html">88</a>&nbsp;&nbsp;&nbsp;<a href="page89.html">89</a>&nbsp;&nbsp;&nbsp;<a href="page90.html">90</a>&nbsp;&nbsp;&nbsp;<a href="page91.html">91</a>&nbsp;&nbsp;&nbsp;<a href="page92.html">92</a>&nbsp;&nbsp;&nbsp;<a href="page93.html">93</a>&nbsp;&nbsp;&nbsp;<a href="page94.html">94</a>&nbsp;&nbsp;&nbsp;<a href="page95.html">95</a>&nbsp;&nbsp;&nbsp;<a href="page96.html">96</a>&nbsp;&nbsp;&nbsp;<a href="page97.html">97</a>
             </td>
             <td width="35%"><a href="page93.html"><img src="images/next.png" width="26" height="19" id="Image1" onmouseover="MM_swapImage('Image1','','images/next2.png',1)" onmouseout="MM_swapImgRestore()" /></a></td>
           </tr>
         </table>
       </div>
     </div>
  </div>
</div>
<div id="right-button">
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p>&nbsp;</p>
  <p><a href="page93.html"><img src="images/next_big.png" width="90" height="80" /></a></p>
</div>


</div>
</body>
</html>