Data: Tandy's Ice Cream shop serves chocolate, vanilla, and strawberry ice creams. Tandy wants to examine planning for the future years. She knows that on average she expects to purchase 100 cases of chocolate, 75 cases of vanilla, and 25 cases of strawberry (4:3:1). This year, her sales increased and she purchased 125 cases of chocolate, 80 cases of vanilla, and 35 cases of strawberry.
a. Answer this: Was Tandy's distribution of proportions the same as expected?