The Downtown Parking Authority of Tampa, Florida, reported thefollowing information for a sample of 229 customers on the numberof hours cars are parked and the amount they are charged.
| Number ofHours | | Frequency | | Amount Charged |
| 1 | | 21 | | $ | 4 |
| 2 | | 38 | | | 5 |
| 3 | | 50 | | | 10 |
| 4 | | 45 | | | 13 |
| 5 | | 18 | | | 14 |
| 6 | | 16 | | | 16 |
| 7 | | 5 | | | 18 |
| 8 | | 36 | | | 20 |
| | total 229 | | |
a-1. Convert the information on the number of hours parked to aprobability distribution. (Round your answers to 3 decimalplaces.)
a-2. Is this a discrete or a continuous probabilitydistribution? Discrete Continuous
b-1. Find the mean and the standard deviation of the number ofhours parked. (Do not round the intermediate calculations. Roundyour final answers to 3 decimal places.)
b-2. How long is a typical customer parked? (Do not round theintermediate calculations. Round your final answer to 3 decimalplaces.)
Find the mean and the standard deviation of the amount charged.(Do not round the intermediate calculations. Round your finalanswers to 3 decimal places.)
