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Random Variables
easy
0:00.0
If
Y
=
2
X
+
3
Y = 2X + 3
Y
=
2
X
+
3
where
X
X
X
has variance 5, what is
V
a
r
(
Y
)
Var(Y)
V
a
r
(
Y
)
?
A
5
B
8
C
13
D
20
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