document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=261167>Question 261167</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the columbia power company experiences power failures with a mean of u = 0.210 per day. find the probability that there are exactly two power failures in a particular day? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #192546 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=192546\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The columbia power company experiences power failures with a mean of u = 0.210 per day. find the probability that there are exactly two power failures in a particular day?<BR>\n" );
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document.write( "It's a Poisson problem with mu = 0.210 and x = 2<BR>\n" );
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document.write( "P(2,0.210) = [e^(-0.210)(0.210)^2]/2! = 0.01787..<BR>\n" );
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document.write( "If you use a TI-84 (or better) poisson(0.210,2) = same answer<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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