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Distributions
medium
0:00.0
If
X
∼
N
(
0
,
1
)
X \sim N(0, 1)
X
∼
N
(
0
,
1
)
, what is
E
[
X
2
]
E[X^2]
E
[
X
2
]
?
A
0
0
0
B
1
1
1
C
2
2
2
D
σ
2
\sigma^2
σ
2
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