document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=255038>Question 255038</A>: <I><SPAN STYLE=\"word-break: break-all;\"> suppose that the distribution is bell shaped. if approximately 68% of the relative increase in stock price lie between .61% and .87%, then the approximate value of the standard deviation for the distribution is ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #187333 by </B><A HREF=/tutors/aboutme.mpl?userid=Greenfinch><B>Greenfinch(383)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Greenfinch><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=Greenfinch><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=187333\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 68% represents 1 SD each side, so mean is (.61 + .87)/2 = .74 <BR>\n" );
document.write( "SD is therefore .74 - .61 or .87 - .74 = .13 </SPAN>\n" );
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