Problem 2 - Queuing [5 points] The Heart Association plans to install a free blood pressure testing machine in the mall for a week. Previous experience indicates that, on average, 15 people per hour request a test. Blood pressure measurements can be made at a constant time of three minutes each. a) [1 point] What queuing model should be used here? What is the hourly arrival rate 2?! What is the hourly service rate u? Model: For the following questions, round your answer to 3 decimal places. b) [1 point] What is the average expected number of people in line? c) (1 point] What is the average expected number of people in the system? d) [1 point) What is the average amount of time that a person can expect to spend in line? e) [1 points on average, how long will it take a person to get their blood pressure checked. including the waiting time in line