document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159563>Question 1159563</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Approximately what percentage of the cases represented by the normal curve fall between-1 and 1 from the mean? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #782612 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=782612\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "<font color=red>Approximately 68%</font> of the standard normal distribution is between z = -1 and z = 1. \r<BR>\n" );
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document.write( "Put another way, roughly 68% of the normal distribution is within one standard deviation of the mean.\r<BR>\n" );
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document.write( "This is due to the <a  rel=nofollow HREF=\"https://en.wikipedia.org/wiki/68%E2%80%9395%E2%80%9399.7_rule\">Empirical Rule</a>. Wikipedia has decided to call this the \"68  -  95  -  99.7 rule\" which is a fairly clunky name, in my opinion. Though perhaps some stats textbooks use this name to help students remember the three different percentages. <BR>\n" );
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