International Journal of Tre
Volume 4 Issue 2, February 2
@ IJTSRD | Unique Paper ID – IJTSRD3
Applica
Distributi
Ayeni Taiwo Michael, Og
Department of
ABSTRACT
There are many events in daily life whe
theory is the study of waiting lines and i
procedure of queuing in daily life of hum
not only in day to day life but also in sequ
networks, medical field, banking sectors
many statistical distributions in analyzing
apply a new distribution named Exponen
a data on waiting time of bank customers
We compared the adequacy and perform
existing statistical distributions. The res
Gamma distribution is adequate and a
existing distributions.
KEYWORDS: Exponential-Gamma distrib
Networks
INRODUCTION
There are many events in daily life wh
formed. Queuing theory is the study of wa
is very crucial in analyzing the procedur
daily life of human being. Queuing theory
in day to day activities but also in sequen
programming, networks, medical field,
etc. A queuing theory called a random s
one of the issues in mathematics so th
techniques in the queuing theory h
importance in solving mathematical
analyzing different systems [1].
Statistical distributions are very crucial in
predicting real life occurrence. A
distributions have been developed and t
rooms for developing distributions w
flexible and capable of handling real wo
Lately, studies have shown that some real
be analyzed adequately by existing distrib
it may be discovered to follow distrib
combined form of two or more random
known probability distributions. In
adequacies, variety in usage and perform
distributions have received a numerous
various researchers such as; [2],[3],[4] an
this study aimed to examine the
performance of the new Exponential-Gam
to other exiting probability distributions u
end in Scientific Research and Dev
2020 Available Online: www.ijtsrd.com e
30097 | Volume – 4 | Issue – 2 | January-Fe
ation of Exponential-Gamm
ion in Modeling Queuing D
gunwale Olukunle Daniel, Adewusi Oluw
Statistics, Ekiti State University, Ado-Ekiti, Nig
ere a queue is formed. Queuing
it is very crucial in analyzing the
man being. Queuing theory applies
uence of computer programming,
s etc. Researchers have applied
g a queuing data. In this study, we
ntial-Gamma distribution in fitting
s before service is been rendered.
mance of the results with other
sult shows that the Exponential-
also performed better than the
bution, Queuing theory, AIC, BIC,
How to ci
Michael |
Adewusi
"Applicatio
Distributio
Published
Internation
Journal of
Scientific
and Dev
(ijtsrd), ISS
6470, Vol
Issue-2,
2020,
www.ijtsrd
Copyright
Internation
Scientific
Journal. Th
distributed
the terms
Creative C
Attribution
(http://cre
by/4.0)
here a queue is
aiting lines and it
re of queuing in
applies not only
nce of computer
banking sectors
service theory is
hat the existing
have substantial
problems and
n describing and
Although, many
there are always
which are more
orld application.
l life data cannot
butions. At times,
butions of some
m variables with
light of their
mance, statistical
attentions from
nd [5]. Therefore
adequacy and
mma distribution
using the data on
waiting time of bank custo
rendered, using the mode
Akaike information criterion
criterion (BIC) and the log lik
METHODS
The Exponential-Gamma dis
[6] and its pdf is defined as
1 1 2
(; , )
( )
x e
fx
α α
λ
αλ
α
+ - -
=
Γ
With the mean and variance;
1
2
α
α
μ =
and () Vx
α
=
The cumulative distribution f
() Fx
λ
=
The survival function for
() 1 () Sx Fx = - was obtain
velopment (IJTSRD)
e-ISSN: 2456 – 6470
ebruary 2020 Page 839
ma
Data
wasesan Adeoye
geria
ite this paper: Ayeni Taiwo
Ogunwale Olukunle Daniel |
Oluwasesan Adeoye
on of Exponential-Gamma
on in Modeling Queuing Data"
in
nal
Trend in
Research
velopment
SN: 2456-
lume-4 |
February
pp.839-842, URL:
d.com/papers/ijtsrd30097.pdf
© 2019 by author(s) and
nal Journal of Trend in
Research and Development
his is an Open Access article
d under
s of the
Commons
n License (CC BY 4.0)
eativecommons.org/licenses/
omers before service is being
el selection criteria like the
n (AIC), Bayesian information
kelihood function (Ɩ).
stribution was developed by
2
,, , 0
x
x
λ
λα > (1)
;
1
(2)
( 29
( 29
( 29
2 1
2 2
2
α α
α
αα λα
λ
+
- +
(3)
function is defined as
( ,)
2 ( )
x
α
λγ α
α Γ
(4)
the distribution defined by
ned as;
IJTSRD30097