Calculate the expected number of smokers

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In a certain population, 30 % are smokers. Suppose each individuals are independent. If a random sample of 60 individuals is selected from the population, find the (a) Let T be the smokers in 60 individuals. Calculate the expected number of smokers E[T] in the sample. (b) variance of the number of smokers V (T) in the sample.

Reference no: EM132381851

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