document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=971893>Question 971893</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An internal study by the Technology Services department at Lahey Electronics revealed company employees receive an average of two non-work-related e-mails per hour. Assume the arrival of these e-mails is approximated by the Poisson distribution.<BR>\n" );
document.write( "a. What is the probability Linda Lahey, company president, received exactly one non-work-related e-mail between 4 p.m. and 5 p.m. yesterday?<BR>\n" );
document.write( "b. What is the probability she received five or more non-work-related e-mails during the same period?<BR>\n" );
document.write( "c. What is the probability she did not receive any non-work-related e-mails during the period? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #594362 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=594362\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Poisson with lambda=2\r<BR>\n" );
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document.write( "Probability of 1 is 0.2707 from table or  e(-2) (2)^1<BR>\n" );
document.write( "Probability of 0 is e(-2)=0.1354<BR>\n" );
document.write( "probability of &#8805;5 is 0.0166 from table.<BR>\n" );
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