We all hate to bring small change to the store. Usingrandom numbers, we can eliminate the need for change andgive the store and the customer a fair shake.a Suppose you buy something that costs $.20. How could you use random numbers (built into the cash reg-ister system) to decide whether you should pay $1.00 or nothing? This eliminates the need for change!b If you bought something for $9.60, how would youuse random numbers to eliminate the need for change?c In the long run, why is this method fair to both thestore and the customer?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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We all hate to bring small change to the store. Using
random numbers, we can eliminate the need for change and
give the store and the customer a fair shake.
a Suppose you buy something that costs $.20. How

could you use random numbers (built into the cash reg-
ister system) to decide whether you should pay $1.00 or

nothing? This eliminates the need for change!
b If you bought something for $9.60, how would you
use random numbers to eliminate the need for change?
c In the long run, why is this method fair to both the
store and the customer?

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