(Answered) In a city in italy 30 of the families have a mastercard 20

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In a city in italy, 30% of the families have a mastercard 20% have AMEX, 25% Visa, 8% M/C & AMEX, 12% Visa/MC, 6% have AMEX & Visa ...

1. what is the probability of selecting a family that has either a visa card or an american card?

2. If a family has a M/C, what is the probability that it has a visa cardd?

3. If a family has a visa card, what is the probability Have to show work in excel.

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