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Information and IdeasVery hardInference from shifted rather than added demand

Information and Ideas practice question

A theatre found that offering half-price tickets on Mondays filled the house, but that its Tuesday and Wednesday audiences shrank by almost the same number of seats. The likeliest explanation is that ____

Which choice most logically completes the text?

  1. A. the Monday offer mostly moved existing customers to a cheaper night rather than bringing in new ones.Correct
  2. B. Monday performances were of higher quality than the others.
  3. C. the theatre stopped performing on Tuesdays.
  4. D. ticket prices rose on Wednesdays.

Answer: A. the Monday offer mostly moved existing customers to a cheaper night rather than bringing in new ones.

Mondays gained about what Tuesdays and Wednesdays lost: the same people, redistributed.

Why the other answers are wrong

B. Monday performances were of higher quality than the others.
Quality isn't mentioned, and it wouldn't explain the matching fall elsewhere.
C. the theatre stopped performing on Tuesdays.
Tuesday audiences shrank; they didn't vanish.
D. ticket prices rose on Wednesdays.
No price rise is mentioned.

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