The mean time it takes for a particular makex'model of a phone to break down and require repair services from the manufacturer is 30 months, with a standard deviation of 16 months. The manufacturer's warranty for the phone is 1 year (12 months). Assume normal distribution. 1) What is the probability that the phone will break down within the warranty period and the manufacturer must cover the cost of repair? a. 0.0031 b. 0.0122 0. 0.1303 d. 0.?28? 2) What is the probability the phone will function for at most 25 months? a. 0.6917 b. 0.5085 0. 0.3?73 d. 0.1288