Mathematics, 30.07.2021 16:00 jhenaesimpson

Based on data from the Center for Statistics, 30% of adult Americans smoke. In a sample of 12 adults: a) What is the probability of finding at least 1 smoker in the sample? B) What is the probability of finding exactly 5 smokers in the sample? C) What is the probability of finding exactly 7 non-smokers in the sample? D) Find the mean and the variance of the number of smokers

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Based on data from the Center for Statistics, 30% of adult Americans smoke. In a sample of 12 adults...

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