In a completely unrelated foodborne illness outbreak in Kansas, a questionnaire was administered to 100 randomly selected individuals that had dined at a cafeteria hall, some of whom had gotten ill while some were not sick. Based on this questionnaire, calculate the attack rates for items that were ingested by these individuals ( 8 point). 1. Which food item(s) seems to be the cause of the e-coli outbreak? ( 2 points) 2. If there are 2 food options that seem to be the potential culprits, what do you do (analytically) to narrow down which food is contaminated? ( 2 points).