document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=429428>Question 429428</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If X is a normal random variable with standard deviation 3.50, and if the probability that X is more than 10.83 is .1271, then what is the mean of X?<BR>\n" );
document.write( "Please work out solution so I can see how the answer was achieved.\r<BR>\n" );
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document.write( "If X is a normal random variable with a standard deviation 3.50, and if the probability that X is less than 8.83 is .648, then what is the mean of X? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #298265 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=298265\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28z+=+%28X+-+mu%29%2F3.5+%3E+%2810.83+-+mu%29%2F3.5%29+=+0.1271 ALIGN=MIDDLE  ALT=\"P%28z+=+%28X+-+mu%29%2F3.5+%3E+%2810.83+-+mu%29%2F3.5%29+=+0.1271\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28z+=+%28X+-+mu%29%2F3.5+%3C++%2810.83+-+mu%29%2F3.5%29+=+0.8729 ALIGN=MIDDLE  ALT=\"P%28z+=+%28X+-+mu%29%2F3.5+%3C++%2810.83+-+mu%29%2F3.5%29+=+0.8729\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810.83+-+mu%29%2F3.5+=+1.14 ALIGN=MIDDLE  ALT=\"%2810.83+-+mu%29%2F3.5+=+1.14\"   DISABLED_style= \"max-width:90%; height:auto;\" >, approximately, from a table of standard normal values.<BR>\n" );
document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10.83+-+mu+=+3.99 ALIGN=MIDDLE  ALT=\"10.83+-+mu+=+3.99\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=mu+=+6.84 ALIGN=MIDDLE  ALT=\"mu+=+6.84\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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