Learning Path
Question & Answer1
Understand Question2
Review Options3
Learn Explanation4
Explore TopicChoose the Best Answer
A
She should schedule all 8 review sessions since the marginal benefits outweigh the costs.
B
She should schedule 4 review sessions because she should not exceed a total study time of 8 hours.
C
She should schedule only 2 review sessions because the time cost is too high compared to the benefits.
D
She should schedule as many sessions as possible until her total study time is used up, regardless of marginal benefits.
Understanding the Answer
Let's break down why this is correct
Answer
Maria should use marginal analysis to decide how many review sessions to schedule by comparing the benefits of each session to the costs in terms of time. Each session gives her a marginal benefit of 20 points but costs her 2 hours, so she needs to think about how many points she gains for every hour spent. If she has 16 hours available, she can calculate how many sessions fit into that time while maximizing her total points. For example, if she uses all 16 hours for 8 sessions, she would gain 160 points, which is beneficial. However, if she finds that after a certain number of sessions the extra points gained do not outweigh the time spent, she should stop scheduling more sessions to avoid diminishing returns.
Detailed Explanation
Maria should schedule all 8 sessions. Other options are incorrect because This answer suggests Maria should limit her time too early; This option thinks the time cost is too high.
Key Concepts
Marginal Analysis
Cost-Benefit Evaluation
Utility Maximization
Topic
Understanding Marginal Analysis
Difficulty
medium level question
Cognitive Level
understand
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