A market survey shows that one third of the owners of Sorey State Boogie Boards became disenchanted with the product and switched to C&T Super Professional Boards the next surf season, while the other remained loyal to Sorey State. On the other hand, four fifths of the C&T Boogie Board users remained loyal to C&T, while the rest switched to Sorey State. Set these data up as a Markov transition matrix, and calculate the probability that a Sorey State Board user will be using the same brand two seasons later.
?
Take 1 = Sorey State, 2 = C&T.
?
A. The probability is 
.
B. The probability is 
.
C. The probability is 
.
D. The probability is 
.
E. The probability is 
.
Answer: C
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