document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1147764>Question 1147764</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The random variable x represents the number of computer hardware help requests received at a help desk in one hour, and it has a Poisson distribution with a mean of 8.3.\r<BR>\n" );
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document.write( "What is the variance? \r<BR>\n" );
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document.write( "What is the standard deviation? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #769258 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=769258\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Variance is 8.3\r<BR>\n" );
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document.write( "Standard deviation is  2.88 (rounded to 2 dp)\r<BR>\n" );
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document.write( "You can contact me at my email for details : mthman@gmail.com<BR>\n" );
document.write( "Thanks </SPAN>\n" );
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