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Mathematics, 10.03.2020 00:50 klawess4
Choose the correct problem formulation: Hotels, like airlines, often overbook, counting on the fact that some people with reservations will cancel at the last minute. A certain hotel chain finds that 20% of its reservations will not be used. If 15 reservations are randomly selected, what is the probability that more than 8 but less than 12 reservations will be used
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Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?
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Choose the correct problem formulation: Hotels, like airlines, often overbook, counting on the fact...
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