document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=543415>Question 543415</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On a standardized test of mathematical ability, Kim scored a 40, and John scored a 20.60. The distribution of test scores for the population is normal, with a mean of 33 and a standard deviation of 6.3<BR>\n" );
document.write( "The percentatge of the population which scored below John is  z= x- x bar/standard deviation.\r<BR>\n" );
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document.write( "The percentage of the population which scored above Kim is ?\r<BR>\n" );
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document.write( "The percentage of t he population between joh and kim is ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #354829 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=354829\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> On a standardized test of mathematical ability, Kim scored a 40, and John scored a 20.60. <BR>\n" );
document.write( "The distribution of test scores for the population is normal, <BR>\n" );
document.write( "with a mean of 33 and a standard deviation of 6.3<BR>\n" );
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document.write( "Kim:  z(40) = (40-33)/6.3 = 1.11<BR>\n" );
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document.write( "John: z(20.6) = (20.6-33)/6.3 = -1.9683<BR>\n" );
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document.write( "The percentage of the population which scored below John ?<BR>\n" );
document.write( "? = P(z < -1.9683) = 0.0245<BR>\n" );
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document.write( "The percentage of the population which scored above Kim is ?<BR>\n" );
document.write( "? = P(z > 1.11) = 0.1335<BR>\n" );
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document.write( "The percentage of the population between joh and kim is ?<BR>\n" );
document.write( "? = 1-(0.0245+0.1335) = 0.8420<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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