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A line of regression y = -1,240 + 7.07x is the best fit line for a set of data comparing airfare with 30 days notice and one-day notice. Find the best predicted cost of a ticket purchased one day in advance given that the cost of the ticket is $300 if purchased 30 days in advance of the flight.

a. $475
b. $3361
c. $881***
d. $133

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