4981随机过程困难数值题short

Expected Hitting Time 1

题目

A CTMC has states 0,1,2 with state 2 absorbing. From 0 it jumps to 1 at rate 0.8. From 1 it jumps to 2 at rate 1.2 and back to 0 at rate 0.4. What is the expected time to hit state 2 starting from state 0?

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