document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1099701>Question 1099701</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an internal study at lahey electronics ,a large software developer company ,revealed the mean time for an internal e-mail message to arrive at its destination was 2 seconds. Further , the distribution of the arrival times followed the poisson distribution .what is the probability a message takes exactly 1 second to arrive at its destination? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #714193 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=714193\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(1)=e^(-2)*2^1/1!<BR>\n" );
document.write( "Population parameter is 2<BR>\n" );
document.write( "P(x)=e^(-x)x^n/n!, where x=2<BR>\n" );
document.write( "that probability is 2 e^(-2)=0.2707 </SPAN>\n" );
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