Homework (Ch 01) Due Today at 11:59 PM EST 4. A decision at the margin Eileen is

Question

Homework (Ch 01) Due Today at 11:59 PM EST 4. A decision at the margin Eileen is a hard-working college sophomore. One Thursday, she decides to work nonstop until she has answered 250 practice problems for her math course. She starts work at 8:00 AM and uses a table to keep track of her progress throughout the day. She notices that as she gets tired, it takes her longer to solve each problem. Time 8:00 AM 9:00 AM 10:00 AM 11:00 AM Noon Total Problems Answered 0 100 175 225 250 Use the table to answer the following questions. The marginal, or additional, gain from Eileen's first hour of work, from 8:00 AM to 9:00 AM, is 100 problems. The marginal gain from Eileen's third hour of work, from 10:00 AM to 11:00 AM, is 50 problems Later, the teaching assistant in Eileen's math course gives her some advice. "Based on past experience," the teaching assistant says, "working on 62.5 problems raises a student's exam score by about the same amount as reading the te xtbook for 1 hour." For simplicity, assume students always cover O Type here to search

Explanation / Answer

1. 100

2. 50

3. 2 hours working on problems 2 hours reading ; this is because after the first two hours of solving problems the marginal benefit of solving problems ,i.e, 50, is lesser than the benefit from reading,i.e, 62.5. Therefore to maximise benefit she should solve problems the first two hours and then read the next two.

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