The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 241 customers on the number of hours cars are parked and the amount they are charged.
| Number of Hours |
Frequency |
Amount Charged |
| 1 |
39 |
$3.00 |
| 2 |
30 |
4.00 |
| 3 |
21 |
5.00 |
| 4 |
18 |
8.00 |
| 5 |
54 |
12.00 |
| 6 |
27 |
14.00 |
| 7 |
30 |
16.00 |
| 8 |
22 |
18.00 |
|
______________ |
|
|
241 |
|
|
______________ |
|
Convert the information on the number of hours parked to a probability distribution
| Hours |
Probability |
| 1 |
|
| 2 |
|
| 3 |
|
| 4 |
|
| 5 |
|
| 6 |
|
| 7 |
|
| 8 |
|
Is this a discrete or a continuous probability distribution?
Find the mean and the standard deviation of the number of hours parked.
How long is a typical customer parked?
Find the mean and the standard deviation of the amount charged.