Final answer:
The question lacks the details required to calculate Alisha's savings between two delivery options. Generally, to solve such a problem, one would compare the costs associated with each option mathematically.
Step-by-step explanation:
The student's question about how much money Alisha saves if she chooses the first delivery option over the second seems to lack the necessary details to provide a definite answer. Typically, we would need to know the cost associated with each delivery option to calculate the savings. However, based on the provided information, where different scenarios are discussed such as the cost of books and doughnuts for Lilly, or the expected value of choosing an envelope with a coupon, we can employ mathematical decision-making principles to answer questions related to utility maximization, probability, and expected value.
In a more general sense, when faced with similar mathematical problems, the process would involve setting up an equation or inequality that represents the cost or utility associated with each option and then solving for the desired quantity. Without the specific cost details for Alisha's delivery options, we can only speculate on the approaches to take.