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Distributions
medium
0:00.0
For
X
s
i
m
P
o
i
s
s
o
n
(
4
)
X \\sim Poisson(4)
X
s
im
P
o
i
sso
n
(
4
)
, what is
V
a
r
(
X
)
Var(X)
V
a
r
(
X
)
?
A
3
3
3
B
16
16
16
C
5
5
5
D
4
4
4
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