Question

In: Math

The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 220...

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
  1. a-1. Convert the information on the number of hours parked to a probability distribution. (Round your answers to 3 decimal places.)

  2. 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.)

  3. How long is a typical customer parked? (Do not round the intermediate calculations. Round your final answer to 3 decimal places.)

  4. 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.)

Solutions

Expert Solution

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.


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