Question

The parking authority in downtown Halifax reported the following information for a sample of 260 customers on the number of hours cars are parked and the amount they are charged:

Number of Hours	Frequency	Amount Charged
1	24	$2
2	43	4
3	59	6
4	49	8
5	33	10
6	11	14
7	4	18
8	37	20
Total	260

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)  Discrete  Continuous

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            

Answer 1