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Mathematics, 14.05.2021 18:10 christylam1606

On a supermarket shelf, there are 56 gallons of milk. 7 of them are past their expiration date. Joan buys 4 gallons of milk for her large family and never looks at the dates. Find the probability that
1)
a) all of them are within their expiration date
b) at least one gallon has its date expired

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