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A check of dorm rooms on a large college campus revealed that 30 had refrigerators...

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A check of dorm rooms on a large college campus revealed that 30 had refrigerators 50 had TVs and 25 had both a refrigerator and a TV What s the probability that a randomly selected dorm room has a a refrigerator but no TV b a refrigerator or a TV but not both c neither a refrigerator nor a TV a The probability of having a refrigerator but no TV is C COS

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