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At a local coffee house, 80% of coffee buyers will choose regular coffee, and 20% will choose...

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Statistics

At a local coffee house, 80% of coffee buyers will chooseregular coffee, and
20% will choose decaf.
A. Out of the next 5 customers, what is the probability that 3 willchoose decaf coffee?
B. Out of the next 20 customers, what is the probability that atleast 10 will choose decaf
coffee?

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