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Random Variables and Discrete Distributions
Random variables, PMFs, expected value, binomial, Poisson, and geometric distributions.
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For
X
∼
Poisson
(
3
)
X\sim\text{Poisson}(3)
X
∼
Poisson
(
3
)
,
what is
E
(
X
)
E(X)
E
(
X
)
?
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