Suppose that X is a negative binomial random variable with p = 0.2 and r= 4. Determine the following. Round your answers to four decimal places (e.g. 98.7654). (a) E() - i (b) P(X = 20) = i (c) P(X = 19) = (d) P(X = 21) = %3D %3D

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Suppose that X is a negative binomial random variable with p = 0.2 and r= 4. Determine the following.
Round your answers to four decimal places (e.g. 98.7654).
(a) E(X) = i
(b) P(X = 20) = i
(c) P(X = 19) =
i
(d) P(X = 21) = i
Transcribed Image Text:Suppose that X is a negative binomial random variable with p = 0.2 and r= 4. Determine the following. Round your answers to four decimal places (e.g. 98.7654). (a) E(X) = i (b) P(X = 20) = i (c) P(X = 19) = i (d) P(X = 21) = i
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