Return 14 0.063 N 0.171 W 0.233 0.179 10 points 0.142 0.054 0.029 6.129 a-2. Is this a discrete or a continuous probability distribution? Discrete b-1. Find the mean and the standard deviation of the number of hours parked. (Round the final answers to 3 decimal places.) Mean 4.500 Standard deviation 2.686 b-2. How would you answer the question, how long is a typical customer parked? (Round the final answer to 3 decimal places.) The typical customer is parked for 4.500 @ hours. c. Find the mean and standard deviation of the amount charged. (Round the final answers to 2 decimal places.) Mean 12 25 Standard deviation 597 m Mc