please help me with question b-e please

Part II. Problems. Please show all your calculations for every problem. 1.07 points) A young entrepreneur wants to set up and stand by intenciones at a rate of 40 per hour according to a los distrition Customer will be served the state per hour with exponential service times 40 per hour a. (3 points) What is the station rate of the entrepreneur 1. (3 points) What is the average number of customers in the system? c. (points) What is the average number of customers in the waiting love d. 3 points) What is the average time in minutes) a customer spends in the system e. (5 points) What is the probability of having more than 2 cutomers in the system Arried / service A) utilization Rate = 40 607 bearer than = 6700 YOO but less than