Total Number of Persons Who Ate Each Specified Combination of Food Items at Ben's Steakhouse Ate prime rib Did not eat prime rib Ate porterhouse steak 172 231 Did not eat porterhouse steak 418 105 Total Number of Persons Who Ate Each Specified Combination of Food Items at Ben's Steakhouse and Who Later Became Sick with Gastrointestinal Symptoms Ate prime rib Did not eat prime rib 145 182 Ate porterhouse steak Did not eat porterhouse steak 139 30 1. Using the data provided above, calculate the gastrointestinal (GI) illness attack rate in persons who ate only porterhouse steak (and did not eat prime rib). (Be sure to show your work. No work, no credit.) 2. Using the data provided above, calculate the gastrointestinal (GI) illness attack rate in persons who ate only prime rib (and did not eat porterhouse steak). (Be sure to show your work. No work, no credit.)