J 2

Can someone write out the work for what is the attack rate in persons who ate both egg salad and tuna and explain how to figure out what is most likely to be the most infective food item or combo of food items?

Extra Practice Questions Total number of persons who ate each specified combination of food items Ate tune Did not eat tuna Ate egg salad 75 100 Did not eat egg salad 200 50 Total number of persons who ate specified combination of food items who later became sick Ate tuna Did not eat tuna Ate egg salad 60 75 Did not eat egg salad 70 15