A bus comes by every 11 minutes. The times from when a person arives at the busstop until the bus arrives follows a Uniform distribution from 0 to 11 minutes. A person arrives at the bus stop at a randomly selected time. Round to 4 decimal places where possible. a. The mean of this distribution isb. The standard deviation isc. The probability that the person will wait more than 8 minutes is d. Suppose that the person has already been waiting for 1.3 minutes. Find the probability that the person's total waiting time will be between 4.2 and 5.1 minutes | | e. 95% of all customers wait at least how long for the train? minutes.