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State public health officials claim that 21% of adults currently smoke cigarettes. We select 10 people...

State public health officials claim that 21% of adults currently smoke cigarettes. We select 10 people at random, asking each if they are a smoker.

- Explain why these can be described with a binomial model, describing each of the four characteristics of binomial problems.

- Find the probability that there are 4 smokers among the 10 people you survey.

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