You and your classmates are troubled by the number of times you find professors sleeping during their office hours. You decide to collect some data to show the administration (so you can make the case to hire younger professors). You track the number of times each of you have a professor sleeping when you show up to office hours over a semester. On average, professors were found to be asleep 10 times a semester (s=3). What is the Z-score for a professor who fell asleep 5 times