Question 2. At Classic Car Care, there is one worker responsible for washing cars. The service time follows a normal distribution with a mean of 18 minutes and a standard deviation of 12 minutes. On average, one car arrives for a wash job every 45 minutes, following a homogeneous Poisson process. a. Car washing at Classic Car Care can be modeled as a queue. A. M/M/1 B. M/M/2 C. M/G/1 D. M/N/1 b. What is the average time a car walts to begin the wash job (Wq) ? c. What is the average number of cars in the car wash system (L)