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><H1
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>POISSON</A
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>Name</H2
>POISSON&nbsp;--&nbsp;</DIV
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>Synopsis</H2
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>POISSON(x,mean,cumulative)</PRE
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>Description</H2
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>POISSON function returns the Poisson distribution @x is the number of events, @mean is the expected numeric value @cumulative describes whether to return the sum of the poisson function from 0 to @x.</P
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>If @x is a non-integer it is truncated. If @x &#60;= 0 POISSON returns #NUM! error. If @mean &#60;= 0 POISSON returns the #NUM! error. This function is Excel compatible. </P
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>POISSON(3,6,0) equals 0.089235078.</P
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>        <A
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,         <A
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>WEIBULL</A
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