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Question 27 - Week 3 Practice | Prasnya
Q27
00:00
2 Apr 2023
Q27.
Suppose
X
1
,
X
2
,
X
3
,
X
4
X_1,X_2,X_3,X_4
X
1
,
X
2
,
X
3
,
X
4
are i.i.d. Bernoulli
(
2
/
3
)
(2/3)
(
2/3
)
. Define
Y
=
2
X
1
+
3
X
2
+
4
X
3
+
5
X
4
Y=2X_1+3X_2+4X_3+5X_4
Y
=
2
X
1
+
3
X
2
+
4
X
3
+
5
X
4
. Find
V
a
r
(
Y
)
\mathrm{Var}(Y)
Var
(
Y
)
.
Your Answer
Save
Check
Details
Q27
00:00
2 Apr 2023
Q27.
Suppose
X
1
,
X
2
,
X
3
,
X
4
X_1,X_2,X_3,X_4
X
1
,
X
2
,
X
3
,
X
4
are i.i.d. Bernoulli
(
2
/
3
)
(2/3)
(
2/3
)
. Define
Y
=
2
X
1
+
3
X
2
+
4
X
3
+
5
X
4
Y=2X_1+3X_2+4X_3+5X_4
Y
=
2
X
1
+
3
X
2
+
4
X
3
+
5
X
4
. Find
V
a
r
(
Y
)
\mathrm{Var}(Y)
Var
(
Y
)
.
Your Answer
Save
Check
Details
