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  It has been found that 1 out of every 10 people who visit a local store...

  It has been found that 1 out of every 10 people who visit a local store purchase cigarettes. If we randomly select a sample of 13 visitors to the store, what is the probability that:

a) No more than two of the visitors will purchase cigarettes? Interpret your answer.

b) More than three of the visitors will purchase cigarettes? Interpret your answer.

Math   Statistics-And-Probability   
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