Question
The parking authority in downtown Halifax reported the following information for a sample of 250 customers...
The parking authority in downtown Halifax 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 | 25 | $3 |
| 2 | 36 | 6 |
| 3 | 58 | 9 |
| 4 | 42 | 12 |
| 5 | 37 | 14 |
| 6 | 17 | 16 |
| 7 | 4 | 18 |
| 8 | 31 | 20 |
| Total | 250 | |
a-1. Convert the information on the number of hours parked to a probability distribution. (Round the final answers to 3 decimal places.)
| Hours | Probability |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
a-2. Is this a discrete or a continuous probability distribution?
(Click to select)DiscreteContinuous
b-1. Find the mean and the standard deviation of the number of hours parked. (Round the final answers to 3 decimal places.)
Mean
Standard deviation
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 hours.
c. Find the mean and standard deviation of the amount charged. (Round the final answers to 2 decimal places.)
Mean
Standard deviation
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The parking authority in downtown Halifax reported the following information for a sample of 250 customers...
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