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Start from the state of it was wet yesterday and then work out all the possible final states for the next 3 days (you should have 8 of them). Now find the paths that have 2 or more wet days and add up the probabilities.
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Start from the state of it was wet yesterday and then work out all the possible final states for the next 3 days (you should have 8 of them). Now find the paths that have 2 or more wet days and add up the probabilities.

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This is a three level tree with eight possible outcomes.<br />
You care about four of them.
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This is a three level tree with eight possible outcomes.
You care about four of them.

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ok so what is the answer and the s0 matrix as it goes along?
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ok so what is the answer and the s0 matrix as it goes along?

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You know that we can't just solve the whole problem for you. This is an academic question.<br />
<br />
What do you have for it so far?
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You know that we can't just solve the whole problem for you. This is an academic question.

What do you have for it so far?

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In &nbsp;markov chain you have a transition matrix and initial state.<br />
<br />
It is easy to work out the probability on the nth event but what about a sequence of events .<br />
<br />
the 1st column .75 is prob a day is wet today given it was wet yesterday .<br />
the 1st column .7 is prob a day is not wet given it was not wet yesterday .<br />
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&nbsp;t= .75 &nbsp;.3<br />
&nbsp; &nbsp; &nbsp;.25 &nbsp;.7 &nbsp;<br />
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what is the probability of a at least 2 days being wet out of the next 3 if it was wet yesterday.<br />
<br />
using a markov chain how do i do this?
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In  markov chain you have a transition matrix and initial state.

It is easy to work out the probability on the nth event but what about a sequence of events .

the 1st column .75 is prob a day is wet today given it was wet yesterday .
the 1st column .7 is prob a day is not wet given it was not wet yesterday .

 t= .75  .3
     .25  .7  

what is the probability of a at least 2 days being wet out of the next 3 if it was wet yesterday.

using a markov chain how do i do this?

markov chain sequence

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