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Mathematics, 17.06.2021 20:30 lucialovell6804

Tại 1 khu dân cư. Tỉ lệ gia đình sở hữu nhà là 70%, sở hữu xe là 45%, cả nhà và xe là 30%. Tính xác suất chọn một gia đình được gia đình đó sở hữu nhà hoặc xe? A.30% B.55% C.85% D.15%

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Tại 1 khu dân cư. Tỉ lệ gia đình sở hữu nhà là 70%, sở hữu xe là 45%, cả nhà và xe là 30%. Tính xác...
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