document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=360768>Question 360768</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average monthly mortgage payment for recent home buyers in certain city is &#956; = $732, with standard deviation of &#963; = $421 A random sample of 125 recent home buyers is selected. The approximate probability that their average monthly mortgage payment will be more than $782 is:\r<BR>\n" );
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document.write( " A. 0.3822 <BR>\n" );
document.write( " B. 0.0918 <BR>\n" );
document.write( " C. 0.1976 <BR>\n" );
document.write( " D. 0.4556 <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #257448 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=257448\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The average monthly mortgage payment for recent home buyers in certain city is &#956; = $732, with standard deviation of &#963; = $421 <BR>\n" );
document.write( "A random sample of 125 recent home buyers is selected. <BR>\n" );
document.write( "The approximate probability that their average monthly mortgage payment will be more than $782 is ?<BR>\n" );
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document.write( "t(782) = (782-732)/[421/sqrt(125)] = 4.4721<BR>\n" );
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document.write( "P(x-bar > 782) = P(t > 4.4721 when df = 124) <BR>\n" );
document.write( "= tcdf(4.4721,100,124) = 0.00000838<BR>\n" );
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document.write( "There must be a typo here some place.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "A. 0.3822 <BR>\n" );
document.write( "B. 0.0918 <BR>\n" );
document.write( "C. 0.1976 <BR>\n" );
document.write( "D. 0.4556 \r<BR>\n" );
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document.write( " </SPAN>\n" );
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