In: Statistics and Probability
The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 231 customers on the number of hours cars are parked and the amount they are charged.
Number of Hours | Frequency | Amount Charged | |||
1 | 22 | $ | 3 | ||
2 | 38 | 6 | |||
3 | 51 | 8 | |||
4 | 45 | 12 | |||
5 | 20 | 14 | |||
6 | 14 | 16 | |||
7 | 5 | 18 | |||
8 | 36 | 22 | |||
231 | |||||
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?
Discrete
Continuous
b-1. Find the mean and the standard deviation of the number of hours parked. (Do not round the intermediate calculations. Round your final answers to 3 decimal places.)
b-2. How long is a typical customer parked? (Do not round the intermediate calculations. Round your final answer to 3 decimal places.)
Find the mean and the standard deviation of the amount charged. (Do not round the intermediate calculations. Round your final answers to 3 decimal places.)