Consider the following strategic situation. There is a group of 11 students who study together for an exam. These are times of the COVID Virus, and the students must decide whether to wear a mask or not when they study together. Wearing the mask is costly. For simplicity, let's assume that the benet of wearing a mask only kicks in when someone else around you i_s not wearing a mask. The payoffs of each student can be represented in the following table: A student's action All other students wear a At least one of the other students does not wear mask "