document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1108420>Question 1108420</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For a maths test, the mean is 65, the standard deviation is 8. What percent of students scored a mark below 49 in Maths? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #724425 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=724425\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  For a maths test, the mean is 65, the standard deviation is 8. What percent of students scored a mark below 49 in Maths? <BR>\n" );
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document.write( "z(49) = (49-65)/8 = -16/8 = -2<BR>\n" );
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document.write( "Percent below 49 = Percent below z= -2 = normalcdf(-100,-2) = 0.0228 = 2.28%<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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