Use the following for questions 24 25 When parking a car in

Use the following for questions 24 - 25: When parking a car in a downtown parking lot. drivers pay according to the number of hours or fraction thereof. The probability distribution of the number of hours cars arc parked has been estimated as follows Find the mean of the number of hours cars are parked in the lot. Find the standard deviation (sigma) of the number of hours cars are parked in the lot.

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