document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155679>Question 1155679</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The amount of Jenns phone bill is normally distributed with a mean of $65 and a standard deviation of $9. What percentage of her phone bills are between 32$ and 92? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #778315 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=778315\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(x-mean)/sd<BR>\n" );
document.write( "low end z=(32-65)/9=-33/9<BR>\n" );
document.write( "high end z=(92-65)/9=3<BR>\n" );
document.write( "The probability of z between -3.67 and 3 is 0.9985 </SPAN>\n" );
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