(1v) By comparing t'(b'|A) With PUJ'), explain Why lsobel should ask her parents not to attend. [2] 3. In a certain city, there are just two political parties, the Red Party and the Blue Party. Each year one person from each party seeks to be elected as mayor of the city. Ifthe city has a Red Party mayor one year, the probability that it has a Red Party mayor the next year is 0.5. If the city has a Blue Party mayor one year, the probability that it has a Blue Party mayor the next year is 0.7. In the year 2004 the mayor belongs to the Blue Party. (i) Illustrate the possible outcomes for mayor in the years 2005, 2006 and 2007 on a probability tree diagram. [3] (ii) Find the probability that (A) the mayors in 2005 and 2006 belong to the same party [3] (B) the mayor in 2007 belongs to the Red Party, [3]