Question 8 - Week 3 Practice | Prasnya
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Statistics 2
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Week 3
Question 8
00:00
Est. 1 min
Marks:
+1.00
0.00
Passage
Based on the above data, answer the given subquestions. Let
X
,
Y
X,Y
be i.i.d. discrete uniform random variables on
{
1
,
2
}
\{1,2\}
. Define
U
=
X
+
Y
U=X+Y
and
V
=
X
V=X
.
Question
Calculate the value of
Var
(
2
X
+
1
)
\operatorname{Var}(2X+1)
.
Comprehension
Easy Difficulty
13 July 2025
A
1.5
1.5
B
0.5
0.5
C
1
1
D
0.33
0.33