document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=847866>Question 847866</A>: <I><SPAN STYLE=\"word-break: break-all;\"> for a normal distribution with a mean of 20 and standard deviation of 5, what percent of the observation will be less than 10 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #510726 by </B><A HREF=/tutors/aboutme.mpl?userid=swincher4391><B>swincher4391(1107)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=swincher4391><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=swincher4391><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=510726\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X~Normal(20,5)\r<BR>\n" );
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document.write( "P[X < 10]\r<BR>\n" );
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document.write( "standardize our variable to Z\r<BR>\n" );
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document.write( "P[Z < (10-20)/5]\r<BR>\n" );
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document.write( "P[Z < -2]\r<BR>\n" );
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document.write( "1- Pr[Z<2] = 1- .9977= .0023\r<BR>\n" );
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