document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1083079>Question 1083079</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mean score of an statistic exam is 75 and normally distributed. The probability between 55 and 60 is 4.41% and the probability of students scoring more, 90 is 6.61%.<BR>\n" );
document.write( "What is the probability of students scoring between 60 and 95 ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #697175 by </B><A HREF=/tutors/aboutme.mpl?userid=mathmate><B>mathmate(429)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mathmate><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=mathmate><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=697175\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For this particular problem, it can be solved quickly, as follows:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%2860%3CX%3C95+%29 ALIGN=MIDDLE  ALT=\"P%2860%3CX%3C95+%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28X%3C95%29-P%28X%3C60%29 ALIGN=MIDDLE  ALT=\"P%28X%3C95%29-P%28X%3C60%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28X%3E55%29-P%28X%3E90%29 ALIGN=MIDDLE  ALT=\"P%28X%3E55%29-P%28X%3E90%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ..... recall that mean=75, and normal distr. is symm about mean<BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%2855%3CX%3C60%29%2BP%28X%3E60%29-0.0661 ALIGN=MIDDLE  ALT=\"P%2855%3CX%3C60%29%2BP%28X%3E60%29-0.0661\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.0441%2B%281-P%28X%3E90%29%29-0.0661 ALIGN=MIDDLE  ALT=\"0.0441%2B%281-P%28X%3E90%29%29-0.0661\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.0441%2B%281-0.0661%29-0.0661 ALIGN=MIDDLE  ALT=\"0.0441%2B%281-0.0661%29-0.0661\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.9119 ALIGN=MIDDLE  ALT=\"0.9119\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "A more general way is to solve for the standard deviation, and solve accordingly.  Standard deviation will be found to be 9.9639. </SPAN>\n" );
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