The Downtown Parking Authority of Tampa, Florida, 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   20   $ 3.00 2   38     6.00 3   53     9.00 4   45     12.00 5   40     14.00 6   13     16.00 7   5     18.00 8   36     20.00     250           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? b-1. Find the mean and the standard deviation of the number of hours parked. b-2. How long is a typical customer parked? (Round your answer to 3 decimal places.) Find the mean and the standard deviation of the amount charged. (Round your answers to 2 decimal places.)

Question

The Downtown Parking Authority of Tampa, Florida, 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   20   $ 3.00
2   38     6.00
3   53     9.00
4   45     12.00
5   40     14.00
6   13     16.00
7   5     18.00
8   36     20.00
    250      
 

 

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?

b-1. Find the mean and the standard deviation of the number of hours parked.

b-2. How long is a typical customer parked? (Round your answer to 3 decimal places.)

Find the mean and the standard deviation of the amount charged. (Round your answers to 2 decimal places.)

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