in a certain city the weather on a day if reported as sunny ,cloudy or rainy,if a day is sunny,the probability that the next day is sunny is 30%,cloudy is 20%,and rainy is 50%. if the day is rainy the probability that the next day is sunny is 30%,cloudy is 30%,and rainy is 40%.if a sunday is sunny ,find the probability that the next tuesday is rainy.