document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=321126>Question 321126</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In Northern Yellowstone Lake, earthquakes occur at a mean rate of 1.8 quakes per year. Let X be the number of quakes in a given year.\r<BR>\n" );
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document.write( "(c) what's  the probability More than five quakes? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #229976 by </B><A HREF=/tutors/aboutme.mpl?userid=galactus><B>galactus(183)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=galactus><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=galactus><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=229976\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This appears to be a Poisson probability.\r<BR>\n" );
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document.write( "It is given by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28X%29=%28L%29%5EX%2Ae%5E%28-L%29%2FX%21 ALIGN=MIDDLE  ALT=\"P%28X%29=%28L%29%5EX%2Ae%5E%28-L%29%2FX%21\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Where L represents lambda and the mean. In this case, 1.8 or 9/5.\r<BR>\n" );
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document.write( "Since it says more than 5, we sum up the probabilities from 0 to 5 and subtract from 1.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1-%28sum%28%289%2F5%29%5EX%2Ae%5E%28-9%2F5%29%2FX%21%2CX=0%2C5%29%29=1-%28374179%2Ae%5E%28-9%2F5%29%2F62500%29=.01038 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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