The Downtown Parking Authority of Tampa, Florida, reported thefollowing information for a sample of 228 customers on the numberof hours cars are parked and the amount they are charged.
| Number ofHours | | Frequency | | Amount Charged |
| 1 | | 21 | | $ | 4 |
| 2 | | 36 | | | 6 |
| 3 | | 53 | | | 9 |
| 4 | | 40 | | | 13 |
| 5 | | 22 | | | 14 |
| 6 | | 11 | | | 16 |
| 7 | | 9 | | | 18 |
| 8 | | 36 | | | 22 |
| | 228 | | | |
|
Click here for the Excel Data File
a-1. Convert the information on the number ofhours parked to a probability distribution. (Round youranswers to 3 decimal places.)
a-2. Is this a discrete or a continuousprobability distribution?
Discrete
Continuous
b-1. Find the mean and the standard deviationof the number of hours parked. (Do not round theintermediate calculations. Round your final answers to 3 decimalplaces.)
b-2. How long is a typical customer parked?(Do not round the intermediate calculations. Round yourfinal answer to 3 decimal places.)
Find the mean and the standard deviation of the amount charged.(Do not round the intermediate calculations. Round yourfinal answers to 3 decimal places.)
rev: 10_12_2018_QC_CS-142885
