a)
transition matrix,T is
Klub cola | Majestic Kola | |
Klub cola | 0.92 | 0.08 |
Majestic Kola | 0.15 | 0.85 |
intital matrix [ 1/3 , 2/3 ]
b)
1) after 1 week=initial matrix*transition matrix =
1/3 | * | 0.92 | 0.08 |
2/3 | 0.15 | 0.85 |
= [ 1/3*0.92 + 2/3*0.15 , 1/3*0.08+2/3*0.85] = [ 0.40667 , 0.59333]
=[ 40.7% , 59.3%]
so,
Klub cola = 40.7%
Majestic Kola=59.3%
ii)
after 2 week=initial matrix*(transition matrix )²
=square of transition matrix is
A1 | A2 | |
---|---|---|
1 | 0.8584 | 0.1416 |
2 | 0.2655 | 0.7345 |
so, after 2 week =
1/3 | * | 0.8584 | 0.1416 |
2/3 | 0.2655 | 0.7345 |
=[0.4631,0.5367]
so,
Klub cola = 46.3%
Majestic Kola=53.7%
c)
let π1,π2 be steady state of Klub cola and Majestic
then π=π'T
π= [π1,π2] *[transition matrix]
π1=0.92π1+0.15π2
π1=1.875π2........1)
π2=0.08π1+0.85π2............2)
also,
π1+π2=1...........3)
solvine 1 , 2) and 3)
we, get π1=0.652174 or 15/23
π2=0.3478 or 8/23
so, in the long run,Probbaility that drinker will buy Klub cola again is 15/23
and majestic is 8/23
Answer for b is I) Klub: 50.7% Majestic:59.3% ii) klub : 46.3% Majestic: 53.7% C) klub...
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