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Distributions
hard
0:00.0
If
X
∼
N
(
0
,
1
)
X \sim N(0, 1)
X
∼
N
(
0
,
1
)
, what is
E
[
X
4
]
E[X^4]
E
[
X
4
]
?
A
2
B
3
C
1
D
4
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