document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=823413>Question 823413</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 375 students scored 82.5 with a standard deviation of 7.5. How many scored between 75 and 90? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #495501 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=495501\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 375 students scored 82.5 with a standard deviation of 7.5. How many scored between 75 and 90?<BR>\n" );
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document.write( "Find the z-value of 75 and of 90.<BR>\n" );
document.write( "Find the probability that z lies between those two z-values.<BR>\n" );
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document.write( "Ans: normalcdf(75,90,82.5,7.5) = 0.6827<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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