Student Question Due Monday 12.11.17 at 01:45 AM Attempts Keep the Highest: 13 4
ID: 1123196 • Letter: S
Question
Student Question Due Monday 12.11.17 at 01:45 AM Attempts Keep the Highest: 13 4. A decision at the margin Amy is a hard-working college sophomore. One Tuesday, she decides to work nonstop unbl she has answered 200 practioe problens for her chemistry 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 soive each problem Time Total Problems Answered 8:00 AM 10:00 AM 11:00 AM Noon 80 140 180 200 Use the table to answer the folowing questions. The marginal. or aditio al. garn from Army's first hour of work fror 8:00 AM to 9:00 A , s problems The marpral gain from Amy's thr d he rofwork, tr m 10:00 AM to 11:00A. otin s. Later, the teaching assistant in Amy's chemistry course gives her some advice. Based on past experience, " the teaching assistant savs, "working on 30 problems raises a student's exam score by about the same amount as reading the textbook for i hour. For smpicty, assume students always cover the same number of pages during each hour they spend reading. Giwen this information, in order to use har 4 hours of study time to ges the best exam score possible, how many hours should she have spent working on problems and how many should she have spent reading? 0 hours working on problems, 4 hours readng FGHExplanation / Answer
MArginal gain can be defined as total gain or output increased as a result of a change in input. In this case, total output is the number of problems solved and input is hour spend doing so.
The marginal or additional gain from Amy's first hour of work i.e. from 8 to 9 is 80 problem. because the output has increased from o to 80.
The marginal gain from Amy's third hour i.e. from 1o am to 11 am is only 40. The total output in this hour increased from 140 to 180 a total increase of only 40.