In: Math
The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 220 customers on the number of hours cars are parked and the amount they are charged.
Number of Hours | Frequency | Amount Charged | |||
1 | 15 | $ | 2 | ||
2 | 36 | 6 | |||
3 | 53 | 9 | |||
4 | 40 | 13 | |||
5 | 20 | 14 | |||
6 | 11 | 16 | |||
7 | 9 | 18 | |||
8 | 36 | 22 | |||
220 | |||||
|
Solution:
a-1. Convert the information on the number of hours parked to a probability distribution.
Answer:
Find the mean and the standard deviation of the number of hours parked.
How long is a typical customer parked?
Answer:
Find the mean and the standard deviation of the amount charged.