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Mathematics, 10.10.2019 01:30 addisonrausch

In a certain city, 30% of the families have a mastercard, 20% have an american express card, and 25% have a visa card. eight percent of the families have both a mastercard and an american express card. twelve percent have both a visa card and a mastercard. six percent have both an american express card and a visa card. what is the probability of selecting a family that has either a visa card or an american express card?

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