Mathematics, 28.06.2019 21:00 sairaanwar67
In a shopping mall, shoppers who use a reward points card get a 10% discount on every transaction. if the average transaction is $450 for customers with these cards, and $500 for other customers, what happens to the expected value of a transaction? a. it increases by $50. b. it increases by $100. c. it decreases by $50. d. it decreases by $100. e. it decreases by $250.
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