document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=515083>Question 515083</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the probability of the given value of x<BR>\n" );
document.write( "mean = 28 standard deviation = 6.5 and x equal or less than 20\r<BR>\n" );
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document.write( "I need simple steps I know the formula is z= x-u/o and plus or minus .5 but I do not seem to come out right we are using the standard normal distribution chart  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #343740 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=343740\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 20 is (8/6.5) or 1.231 (approx) standard deviations below the mean of 28\r<BR>\n" );
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document.write( "so the z-score you are looking for is -1.231\r<BR>\n" );
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document.write( "the probability is the fraction of the distribution at or below this score </SPAN>\n" );
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