At a car wash station, on average, there are 4 cars coming in for the service every 10 minutes. The average wash time is 2 minutes. The Poisson distribution is appropriate for the arrival rate and service times are exponentially distributed. Please convert all rates into cars per hour and answer the following questions. Question 1 of 4 5.0 Points The average time a car spent in the waiting line is hours, and the total time a car spent in this car wash station is hour. (Please round to two decimal points and include no units.)