The following are the sample data sets from your class project about waiting line theories: Arrival: 1, 2, 3, 5, 1 Service time: 40, 37, 70, 37, 46 The arrival data were number of cars arrived per every 5-minute interval, and the service data were the number of seconds spent on taking the corresponding order. What is the expected total number of customers (Cs) in the store for a given 5-minute interval? Give your answer to 2 significant places