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Random Variables
hard
0:00.0
If
X
X
X
is a Poisson random variable with
λ
=
3
\lambda = 3
λ
=
3
, what is
E
[
X
]
E[X]
E
[
X
]
?
A
1
1
1
B
2
2
2
C
3
3
3
D
9
9
9
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