document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1169469>Question 1169469</A>: <I><SPAN STYLE=\"word-break: break-all;\"> determine the approximate probability that the value of the standard normal random variable will be greater than -1 and less than +2. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #794223 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=794223\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> here's an approximate graph you can use.\r<BR>\n" );
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document.write( "the approximate percentage is 34.13 + 34.13 + 13.59 = 85.85%.\r<BR>\n" );
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document.write( "i used a normal distribution calculator to confirm this is reasonable.\r<BR>\n" );
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document.write( "the calculator says 81.86%.\r<BR>\n" );
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document.write( "that's pretty close, so the approximate answer is reasonable.<BR>\n" );
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