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The Downtown Parking Authority of Tampa, Florida, reported the following informa

ID: 3059248 • Letter: T

Question

The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 317 customers on the number of hours cars are parked and the amount they are charged. Number of Hours Frequency Amount Charged

1 37 $ 3.00

2 42 5.00

3 50 12.00

4 47 14.00

5 40 15.00

6 52 16.00

7 9 17.00

8 40 18.00

317

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

1 .117

2 .132

3 .158

4 .148

5 .126

6 .164

7 .028

8 .126

(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. (Round your Mean to 3 decimal places and the standard deviation to 3 decimal places.)

Mean=

Standard deviation=

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

The typical customer is parked for hours =

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

Mean=

Standard deviation=

Explanation / Answer

The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 317 customers on the number of hours cars are parked and the amount they are charged. Number of Hours Frequency Amount Charged

1 37 $ 3.00

2 42 5.00

3 50 12.00

4 47 14.00

5 40 15.00

6 52 16.00

7 9 17.00

8 40 18.00

317

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

1 .117

2 .132

3 .158

4 .148

5 .126

6 .164

7 .028

8 .126

(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. (Round your Mean to 3 decimal places and the standard deviation to 3 decimal places.)

Mean=

Standard deviation=

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

The typical customer is parked for hours =

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

Mean=

Standard deviation=

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