document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=330070>Question 330070</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The standardized mathematics scores of a certain school district are normally distributed with the mean of 500 and standard deviation 100. Find the probability that a score is less than 300?\r<BR>\n" );
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document.write( "I have no idea where to start. a clue would be great.  Have another homework question just like it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #236520 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=236520\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a score of 300 is two standard deviations below the mean ___ z = -2\r<BR>\n" );
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document.write( "a z-score table will show that the probability of this is ___ .0228 </SPAN>\n" );
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