Problem: Eighty-seven individuals of a town with 460 residents attended a Christmas party where a meal was provided. Within a couple of days, 39 of those who attended the party became ill with Norovirus. What was the attack rate among those who attended the party? Of the 39 cases, 25 were females and 14 were males. Make a 2 x 2 table with explanation
1. What is the ratio of female to males affected? (Show your work)
2. What proportion of those affected were males (Show your work)
3. What is attack rate of the disease (Show the formula and calculations)