Question

6. Imagine a negative binomial random variable X with p 0.3 andr 3. (If you want to use R to determine the probabilities, be aware that the definition of a negative random variable is slightly different from the definition given in our text). Determine the following: a) E(X) b) V(X) c) P(X20) d) P(X=19) e) P(X=21)
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Answer #1

This question is based on Negative Binomial distribution:-

Saluion egakve imamic Elr) : 그 ト2 o 3) 2 7:29) = P(x : 20) 6.010 = 19-1 (o.3) (0 1) 3 -1 21 -1 190 x (0.024) (1.62x los) 0 00 83 53 X

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