document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=978071>Question 978071</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Question text<BR>\n" );
document.write( "A real estate agent lets the selling price for homes of a particular size in a particular neighborhood be given by X.  She then notes that X~N(175,15), where the units are in thousands of dollars.\r<BR>\n" );
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document.write( "What is the 70th percentile for the selling price for homes of this type (in thousands of dollars)?  Round to TWO decimal places.\r<BR>\n" );
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document.write( "Answer: </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #599560 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=599560\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> we want the z-value associated with probability 0.70, this is a normal distribution so consult table of z-values<BR>\n" );
document.write( "z-value = 0.52, therefore<BR>\n" );
document.write( "0.52 = ( X - 175 ) / 15<BR>\n" );
document.write( "X - 175 = 7.8<BR>\n" );
document.write( "X = 182.8<BR>\n" );
document.write( "The 70th percentile for the selling price is $182.80 (in thousands of dollars)<BR>\n" );
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