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Distributions
medium
0:00.0
If
X
∼
Poisson
(
2
)
X \sim \text{Poisson}(2)
X
∼
Poisson
(
2
)
, what is
E
[
X
2
]
E[X^2]
E
[
X
2
]
?
A
2
B
4
C
6
D
8
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