document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=577899>Question 577899</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What proportion of people score between X = 70 and X = 120 on a normal ditribution ( mean = 100, Standard deviation = 15)\"<BR>\n" );
document.write( "Transfor to Z score<BR>\n" );
document.write( "Draw Identify </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #370413 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=370413\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What proportion of people score between X = 70 and X = 120 on a normal ditribution ( mean = 100, Standard deviation = 15)\"<BR>\n" );
document.write( "----<BR>\n" );
document.write( "z(70) = (70-100)/15 = -2<BR>\n" );
document.write( "z(120) = (120-100)/15 = 4/3<BR>\n" );
document.write( "------<BR>\n" );
document.write( "P(70 < x < 120) <BR>\n" );
document.write( "= P(-2 < z < 4/3) <BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================= </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );