ISYE 6644 - Spring 2021 - Midterm Test 1

Instructions This test is 120 minutes. You’re allowed one cheat sheet (both sides). All questions are 3 points, except number 34, which is 1 point. Good luck! I want you to make this test wish that it had never been born!! This quiz was locked Mar 7 at 11:59pm. Attempt History Attempt Time LATEST Attempt 1 111 minutes Score 100 out of 100 Score for this quiz: 100 out of 100 Submitted Mar 7 at 10:51am This attempt took 111 minutes. Question 1 3 / 3 pts True or False ? Discrete-event simulations are particularly suitable for analyzing continuous-flow phenomena such as the velocity and altitude of an aircraft as it comes in for a landing. True Correct! False Question 2 3 / 3 pts Consider a single-server queue simulation with i.i.d. exponential interarrivals, i.i.d. exponential services, and a first-in-first-out service discipline. Suppose that the arrival rate is 5 per hour, and the service rate is 4 per hour. What will happen in the long run? (a) The server will be busy about 20% of the time. Correct! (b) The server will be busy all of the time. (c) The number of custmers in the system (line + in service) will never exceed 9. (d) The length of the line will never exceed 5.