Question: The generalized negative binomial pmf is given by nb(x; r, p) 5 k(r, x) ? pr(1 - p)x x = 0, 1, 2,... Let X,

The generalized negative binomial pmf is given by
nb(x; r, p) 5 k(r, x) ? pr(1 - p)x
x = 0, 1, 2,...
Let X, the number of plants of a certain species found in a particular region, have this with p = .3 and r = 2.5. What is P(X = 4)? What is the probability that at least one plant is found?

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