htmi?nbld 7163188nbNodeld 269634 ld-5677172943424197510313593484 MINDTAP Homewor
ID: 1145286 • Letter: H
Question
htmi?nbld 7163188nbNodeld 269634 ld-5677172943424197510313593484 MINDTAP Homework (Ch 01) Due Today at 11:59 PM MST Back to Assipment Do No Harm13 4. A decision at the margin Kyoko is a hard-working college senior. One Sunday, she decides to work nonstop until she has answered 250 practice problems for her economlcs 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. TimeTotal Problems Answered 8:00 AM 9:00 AM 10:00 AM 11:00 AM 100 175 250 Use the table to answer the folowing questions. The marginal, or additional, gain from Kyoko's second hour of work, from 9:00 AM to 10:00 AM, S The marginal gain from Kyoko's fourth hour of work, from 11:00 AM to noon, is Later, the teaching assistant in Kyoko's economies counse gives her some advice. Based on past experience, the teaching assistant says, "working on 62.5 probiems raises a student's exam score by about the same amount as reading the textbook for 1 hour.-For simplicity, assume students always cover the same number of pages during each hour they spend reading esc FI 4Explanation / Answer
Marginal or additional gain from 9AM to 10AM = 175-100 = 75 problems
Marginal or additional gain from 11AM to noon = 250-225 = 25 problems
Correct Answer:
2 hours of working on problem, 2 hours reading
Working note:
The hour 1 produces 100 problems an hour 2 produces 75 problems that are higher than 62.5 problems or equivalent benefits from the readings. Last 2 hours produce less than 62.5 questions per hour. So, last two hours should be allotted to reading to maximize the score.
Time Tota problems answered Marginal gain 8:00 AM 0 9:00 AM 100 100 10:00 AM 175 75 11:00 AM 225 50 Noon 250 25Related Questions
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