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What's the poissonpdf fuction?

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I'm wondering what's the function poissonpdf
asked Apr 30, 2013 by anonymous

1 Answer

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The poissonpdf function calculates the probability at x for the discrete Poisson distribution with the specified mean u, which must be a real number >0. x can be an integer or a list of integers.

As an example, to compute the probability with mean 1.9 and x=4, press
2ND [DISTR] ALPHA [C]
enter 1.9 on the first line and press ENTER
enter 4 on the second line and press ENTER
press ENTER again.
This will paste poissonpdf(1.9,4) onto the command line. Press ENTER again to see the result (about 0.08).

answered Apr 30, 2013 by anonymous

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