Question: Wheels on the Bus is a daycare center that provides daycare for children aged 6 months to 5 years. On August 22nd, 2013, an outbreak of Cryptosporidium (a parasite that causes a diarrheal disease called cryptosporidiosis) was reported to the state health department. 329 children are enrolled at the daycare. In total, 47 children were diagnosed with cryptosporidiosis. What is the attack rate of Cryptosporidium at Wheels on the Bus?