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[Help-gsl] gsl_cdf_poisson_Q: strange values (Stephan Lorenzen)


From: John Crow
Subject: [Help-gsl] gsl_cdf_poisson_Q: strange values (Stephan Lorenzen)
Date: Thu, 7 Mar 2019 12:39:10 -0600

Maybe think of this as choosing C or not C, a binomial distribution with
parameters N = 1850923 and p = 0.256903. The mean is Np and variance
Np(1-p). Using the normal approximation with Z = (560073 - 475508) /
594.43, the upper tail (counts of C 560073 and above) seems to be pretty
unlikely


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