document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=830972>Question 830972</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average score of 100 students taking a statistics final was 70 with a standard deviation of 7.  Assuming a normal distribution, what is the probability that a student scored 90 or higher </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #501337 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=501337\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the z score.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=%28x-m%29%2Fs=%2890-70%29%2F7=2.857 ALIGN=MIDDLE  ALT=\"z=%28x-m%29%2Fs=%2890-70%29%2F7=2.857\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%282.857%29=0.997863 ALIGN=MIDDLE  ALT=\"P%282.857%29=0.997863\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So 99.7863% of students scored 90 or less, leaving<BR>\n" );
document.write( "P(>90)=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1-0.997863 ALIGN=MIDDLE  ALT=\"1-0.997863\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "P(>90)=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.002137 ALIGN=MIDDLE  ALT=\"0.002137\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );