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OpenStudy (anonymous):
The opera house has 2000 seats. There are 1200 seats on the main floor and 800 in the balcony. 40% of those in the balcony buy a program while 50% of people on the main floor buy a program. On opening night of The Lion King, every seat is taken. If an audience member is selected at random, what is the probability that they bought a program?
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OpenStudy (anonymous):
what are the choues |dw:1363018481907:dw|
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