The transition matrix of a Markov chain is $P=\left [\begin{array}{ccc}3 & 0 & .7.1 & .8&.1.6 & 2 & 2\end{array} ight] .$ On the 4th observation the chain is in state 2. What is the probability that it will be in state 3 on the 6th observation? $.19$ $.01$ $. 17$ $.02$ $.2$ SP.DL.1721