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Random Variables
medium
0:00.0
A fair die is rolled. Let
X
X
X
be the outcome. What is
E
[
X
]
E[X]
E
[
X
]
?
A
3
3
3
B
3.5
3.5
3.5
C
4
4
4
D
2.5
2.5
2.5
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