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From a survey of 100 college students, a marketing research company found that 65 students owned iPhones, 40 owned cars, and 30...Asked by Leo
From a survey of 100 college students, a marketing research company found that 60 students owned iPhones, 30 owned cars, and 25 owned both cars and iPhones.
(a) How many students owned either a car or an iPhone (but not both)?
(a) How many students owned either a car or an iPhone (but not both)?