document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1085079>Question 1085079</A>: <I><SPAN STYLE=\"word-break: break-all;\"> for a population with a standard deviation of 12 a score of x=44 corresponds to z= -.5 what is the population mean? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #699102 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=699102\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=\"black\" face=\"times\" size=\"4\"><BR>\n" );
document.write( "z = (x - mu)/sigma<BR>\n" );
document.write( "-0.5 = (44 - mu)/12<BR>\n" );
document.write( "12*(-0.5) = 12*((44 - mu)/12)<BR>\n" );
document.write( "-6 = 44 - mu<BR>\n" );
document.write( "-6 -44 = 44 - mu - 44<BR>\n" );
document.write( "-50 = -mu<BR>\n" );
document.write( "-mu = -50<BR>\n" );
document.write( "-mu/(-1) = -50/(-1)<BR>\n" );
document.write( "mu = 50\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The population mean (mu) is <font color=red>50</font><BR>\n" );
document.write( "</font> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );