The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 250 customers on the number of hours cars are parked and the amount they are charged.   Number of Hours   Frequency   Amount Charged 1   20   $3.00 2 38 6.00 3 53 9.00 4 45 12.00 5 40 14.00 6 13 16.00 7 5 18.00 8 36 20.00 250 Click here for the Excel Data File a-1. Convert the information on the number of hours parked to a probability distribution. (Round your answers to 3 decimal places.) a-2. Is this a discrete or a continuous probability distribution? b-1. Find the mean and the standard deviation of the number of hours parked. b-2. How long is a typical customer parked? (Round your answer to 3 decimal places.) Find the mean and the standard deviation of the amount charged. (Round your answers to 2 decimal places.) Question The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 250 customers on the number of hours cars are parked and the amount they are charged.  Number of Hours Frequency Amount Charged 1 20$ 3.00 2 38 6.00 3 53 9.00 4 45 12.00 5 40 14.00 6 13 16.00 7 5 18.00 8 36 20.00 250

a-1. Convert the information on the number of hours parked to a probability distribution. (Round your answers to 3 decimal places.)

a-2. Is this a discrete or a continuous probability distribution?

b-1. Find the mean and the standard deviation of the number of hours parked.

b-2. How long is a typical customer parked? (Round your answer to 3 decimal places.)

Find the mean and the standard deviation of the amount charged. (Round your answers to 2 decimal places.)