(a) A parking management company reported the following information for a sample of 200 customers on the number of hours' cars are parked and the amount they are charged. Number of Hours Frequency Amount Charged 31 3 2 50 6 3 55 4 48 10 5 16 12 Table 2-1 (i) Construct a probability distribution table for the number of hours parked.(ii) Identify the mean and the standard deviation of the number of hours parked. How long is a typical customer parked?