An apartment seeker in Manhattan estimates that 10% of the available apartments in her price range are in acceptable condition. Furthermore, she has time to look at only one apartment every weekend. a. How many weeks should this person expect to spend for apartment hunting? b. What is the probability that she will find an acceptable apartment during the first weekend that she looks? c. What is the probability that it will take more than 4 months(17 weeks) to find an acceptable apartment?