Posted by ashley on Wednesday, February 10, 2010 at 10:32pm.
What is the variability of this count? More information needed.
I've been working this out and can't get the answer shown in the book...I use mu = 1/4 thus lambda = 4 P(X > 2) = 1-(1-F(x)) = e^-4x = e^-8 This is not the answe given however so I am lost on this one.
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