
The transition matrix for a Markov process is
T=State 1State 2State 1State 2 [.3.4.7.6]
and the initial-state distribution
X0=State 1State 2[.6.4]
Find X2.

To find:
The vector X2.
Answer to Problem 1BMO
Solution:
The vector X2 is [0.3660.634]
Explanation of Solution
Given:
The transition matrix for a Markov process is
T=State 1State 2State 1State 2 [.3.4.7.6]
and the initial-state distribution vector is
X0=State 1State 2[.6.4]
Approach:
From the given data,
Write the expression of the probability distribution after one observation
X1=TX0→(1)
Write the expression of the probability distribution after two observations
X2=TX1→(2)
Calculation:
Substitute [.6.4] for X0 and [.3.4.7.6] for T in equation (1)
X1=[.3.4.7.6]⋅[.6.4]=[(.3×.6)+(.4×.4)(.7×.6)+(.6×.4)]=[.18+.16.42+.24]=[.34.66]
Similarly, Substitute [.34.66] for X1 and [.3.4.7.6] for T in equation (2).
X2=[.3.4.7.6]⋅[.34.66]=[(.3×.34)+(.4×.66)(.7×.34)+(.6×.66)]=[.102+.264.238+.396]=[.366.634]
Conclusion:
Hence, vector X2 is [.366.634].
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Chapter 9 Solutions
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