Assume that the system in the question changes in the following way: Instead of an exponential service time, suppose service is now a general random variable with a rate of 6 customers per hour and a variance of 1. Answer the following questions to 3 significant digits: d) What is the expected number of customers in the system? [3 pts] e) What is the expected amount of time that a customer will spend in the system? [3 pts]