Question 1 - Week 3 Practice | Prasnya
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Week 3
Question 1
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Est. 2 min
Marks:
+3.00
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Let
X
X
and
Y
Y
be two independent random variables with
E
[
X
]
=
10
E[X]=10
,
E
[
Y
]
=
15
E[Y]=15
,
Var
(
X
)
=
4
\operatorname{Var}(X)=4
and
Var
(
Y
)
=
9
\operatorname{Var}(Y)=9
. Find the value of
E
[
(
X
+
Y
)
2
]
E[(X+Y)^2]
.
Integer answer
Medium Difficulty
26 October 2025
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