document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1184023>Question 1184023</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Suppose that the number of accidents occurring on a highway each day is a Poisson<BR>\n" );
document.write( "random variable with parameter λ =3.1<BR>\n" );
document.write( "i. Find the probability that 3 or more accidents occur today<BR>\n" );
document.write( "ii. Find the probability that no accident occur today </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #814589 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=814589\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The pmf for the Poisson distribution is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=p%28x%29+=+e%5E%28-lambda%29%2A%28lambda%5E%28x%29%2Fx%21%29 ALIGN=MIDDLE  ALT=\"p%28x%29+=+e%5E%28-lambda%29%2A%28lambda%5E%28x%29%2Fx%21%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  for x = 0, 1, 2, 3, 4, ...\r<BR>\n" );
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document.write( "i.  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28X+%3E=+3%29+=+1+-+p%280%29+-+p%281%29+-+p%282%29+=+1+-+e%5E%28-3.1%29%2A%283.1%5E%280%29%2F0%21%29+-+e%5E%28-3.1%29%2A%283.1%5E%281%29%2F1%21%29+-+e%5E%28-3.1%29%2A%283.1%5E%282%29%2F2%21%29+=+0.59884 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >, to 5 d.p.\r<BR>\n" );
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document.write( "ii.    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=p%280%29+=+e%5E%28-3.1%29%2A%283.1%5E%280%29%2F0%21%29+=+0.04505 ALIGN=MIDDLE  ALT=\"p%280%29+=+e%5E%28-3.1%29%2A%283.1%5E%280%29%2F0%21%29+=+0.04505\"   DISABLED_style= \"max-width:90%; height:auto;\" >, to 5 d.p. </SPAN>\n" );
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