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Question 11 - Week 2 Practice | Prasnya
Q11
00:00
23 Feb 2025
Q11.
If
Z
Z
Z
represents the combined total number of customers arriving at both counters during a one-hour interval, then determine the PMF of
Z
Z
Z
.
@passage
A
f
Z
(
z
)
=
e
−
25
25
z
z
!
f_Z(z)=\frac{e^{-25}25^z}{z!}
f
Z
(
z
)
=
z
!
e
−
25
2
5
z
B
f
Z
(
z
)
=
e
−
40
40
z
40
!
f_Z(z)=\frac{e^{-40}40^z}{40!}
f
Z
(
z
)
=
40
!
e
−
40
4
0
z
C
f
Z
(
z
)
=
e
−
15
15
z
15
!
f_Z(z)=\frac{e^{-15}15^z}{15!}
f
Z
(
z
)
=
15
!
e
−
15
1
5
z
D
f
Z
(
z
)
=
e
−
40
40
z
z
!
f_Z(z)=\frac{e^{-40}40^z}{z!}
f
Z
(
z
)
=
z
!
e
−
40
4
0
z
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Q11
00:00
23 Feb 2025
Q11.
If
Z
Z
Z
represents the combined total number of customers arriving at both counters during a one-hour interval, then determine the PMF of
Z
Z
Z
.
@passage
A
f
Z
(
z
)
=
e
−
25
25
z
z
!
f_Z(z)=\frac{e^{-25}25^z}{z!}
f
Z
(
z
)
=
z
!
e
−
25
2
5
z
B
f
Z
(
z
)
=
e
−
40
40
z
40
!
f_Z(z)=\frac{e^{-40}40^z}{40!}
f
Z
(
z
)
=
40
!
e
−
40
4
0
z
C
f
Z
(
z
)
=
e
−
15
15
z
15
!
f_Z(z)=\frac{e^{-15}15^z}{15!}
f
Z
(
z
)
=
15
!
e
−
15
1
5
z
D
f
Z
(
z
)
=
e
−
40
40
z
z
!
f_Z(z)=\frac{e^{-40}40^z}{z!}
f
Z
(
z
)
=
z
!
e
−
40
4
0
z
Save
Read
Check
Details
