The copy machine in an office is very unreliable. If it was working yesterday, there is an 80% chance it will work today. If it was not working yesterday, there is a 10% chance it will work today. Using these information, answer the following:
i). If it is working today, what is the probability that it will be working two days from now?
ii). If it is not working today, what is the probability that it will be working two days from now?