Find the mean and standard deviation of the numbers of hours parkedHow long is a typical customer parked (round final answer 3 decimal places)What is the probability that a car is parked more than 6 hours? What is the probability that a car would be parked for 3 or less hours? ( round your answers 3 decimal places)

I he Downtown Parking Authority of lampa, Horida, reported the following information for a sample of Z28 customers on the number of hours cars are parked. Number of Hours Frequency 18 38 50 IGUIAUNT 45 20 16 DOK 5 Co 36 Int 228 ences 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.) Number of Hours Frequency Pr(x) 1 18 N 38 3 50 4 45 5 20 6 16 5 8 36