The parking authority in downtown Halifax reported the following information for a sample of 250 customers on the number of hours cars are parked and the amount they are charged:

a. Convert the information on the number of hours parked to a probability distribution. Is this a discrete or a continuous probability distribution?b. Find the mean and the standard deviation of the number of hours parked. How would you answer the question, how long is a typical customer parked?c. Find the mean and standard deviation of the amount charged.

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Number of Amount Hours Frequency Charged $3 20 38 6 3 53 12 4 45 40 14 13 16 18 8. 36 20