Final answer:
The half-size Buffalo's Cobb salad likely includes 3 oz. of grilled chicken, as this is a common serving size for similar salad entrées.
Step-by-step explanation:
The amount of grilled chicken that comes on the Buffalo's Cobb salad (half size) is not explicitly listed in the reference information provided. However, considering a standard serving for a similar meal which includes 3 oz. of grilled chicken breast with a Greek salad, it is reasonable to assume that a half-size Buffalo's Cobb salad would also contain approximately 3 oz. of grilled chicken. Therefore, the answer to the student’s question would be b) 3 oz.