If the fishing is medium on Monday, what is the prob$-$ ability that it will be medium on Thursday? If yesterday$$s fishing was bad, what is the expected number of days of good fishing over the next week $(7$ days$)?$ What percentage of days over the long run are good fishing days?$$If the fishing is bad today, what is the expected time $($in days$)$ until it is good? If the fishing is bad today, how long $($in expected number of days$)$ will it remain bad before it gets better?