Annual Neighborhood Picnic Number Of Persons Who Ate Specified Food Well Total N

Community members who attended the Annual Neighborhood picnic earlier today are experiencing illness which they believe are related to food served at the picnic. Using the table below:

Calculate the attack rate for the 1) baked ham, 2) spinach, and 3) cabbage salad. Show your work.

Which food (of the baked ham, spinach, and salad) is MOST LIKELY to have caused the illness? Discuss your answer.